diff --git a/bin/configs/swift5-default.yaml b/bin/configs/swift5-default.yaml
index ede36e7331cf..fffd318be1ad 100644
--- a/bin/configs/swift5-default.yaml
+++ b/bin/configs/swift5-default.yaml
@@ -1,6 +1,6 @@
 generatorName: swift5
 outputDir: samples/client/petstore/swift5/default
-inputSpec: modules/openapi-generator/src/test/resources/2_0/swift/petstore-with-fake-endpoints-models-for-testing.yaml
+inputSpec: modules/openapi-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml
 templateDir: modules/openapi-generator/src/main/resources/swift5
 generateAliasAsModel: true
 additionalProperties:
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/Swift5ClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/Swift5ClientCodegen.java
index a21123c10181..86194b13d62b 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/Swift5ClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/Swift5ClientCodegen.java
@@ -224,8 +224,8 @@ public Swift5ClientCodegen() {
         typeMapping.put("UUID", "UUID");
         typeMapping.put("URI", "String");
         typeMapping.put("decimal", "Decimal");
-        typeMapping.put("object", "Any");
-        typeMapping.put("AnyType", "Any");
+        typeMapping.put("object", "AnyCodable");
+        typeMapping.put("AnyType", "AnyCodable");
 
         importMapping = new HashMap<>();
 
@@ -342,7 +342,15 @@ protected void addAdditionPropertiesToCodeGenModel(CodegenModel codegenModel,
         final Schema additionalProperties = getAdditionalProperties(schema);
 
         if (additionalProperties != null) {
-            codegenModel.additionalPropertiesType = getSchemaType(additionalProperties);
+            Schema inner = null;
+            if (ModelUtils.isArraySchema(schema)) {
+                ArraySchema ap = (ArraySchema) schema;
+                inner = ap.getItems();
+            } else if (ModelUtils.isMapSchema(schema)) {
+                inner = getAdditionalProperties(schema);
+            }
+
+            codegenModel.additionalPropertiesType = inner != null ? getTypeDeclaration(inner) : getSchemaType(additionalProperties);
         }
     }
 
diff --git a/modules/openapi-generator/src/main/resources/swift5/Cartfile.mustache b/modules/openapi-generator/src/main/resources/swift5/Cartfile.mustache
index 3f6269c23ab9..64dac06473e1 100644
--- a/modules/openapi-generator/src/main/resources/swift5/Cartfile.mustache
+++ b/modules/openapi-generator/src/main/resources/swift5/Cartfile.mustache
@@ -1,3 +1,4 @@
 {{#useAlamofire}}github "Alamofire/Alamofire" ~> 4.9.1{{/useAlamofire}}{{#usePromiseKit}}
 github "mxcl/PromiseKit" ~> 6.13.1{{/usePromiseKit}}{{#useRxSwift}}
 github "ReactiveX/RxSwift" ~> 5.1.1{{/useRxSwift}}
+github "Flight-School/AnyCodable" ~> 0.4.0
diff --git a/modules/openapi-generator/src/main/resources/swift5/Extensions.mustache b/modules/openapi-generator/src/main/resources/swift5/Extensions.mustache
index 1a23697a04b9..7e6dcc1994f7 100644
--- a/modules/openapi-generator/src/main/resources/swift5/Extensions.mustache
+++ b/modules/openapi-generator/src/main/resources/swift5/Extensions.mustache
@@ -4,7 +4,8 @@
 // https://openapi-generator.tech
 //
 
-import Foundation{{#usePromiseKit}}
+import Foundation
+import AnyCodable{{#usePromiseKit}}
 import PromiseKit{{/usePromiseKit}}
 
 extension Bool: JSONEncodable {
@@ -53,6 +54,12 @@ extension Array: JSONEncodable {
     }
 }
 
+extension Set: JSONEncodable {
+    func encodeToJSON() -> Any {
+        return Array(self).encodeToJSON()
+    }
+}
+
 extension Dictionary: JSONEncodable {
     func encodeToJSON() -> Any {
         var dictionary = [AnyHashable: Any]()
@@ -193,3 +200,44 @@ extension RequestBuilder {
         return deferred.promise
     }
 }{{/usePromiseKit}}
+
+extension AnyCodable: Hashable {
+    public func hash(into hasher: inout Hasher) {
+        switch value {
+        case let value as Bool:
+            hasher.combine(value)
+        case let value as Int:
+            hasher.combine(value)
+        case let value as Int8:
+            hasher.combine(value)
+        case let value as Int16:
+            hasher.combine(value)
+        case let value as Int32:
+            hasher.combine(value)
+        case let value as Int64:
+            hasher.combine(value)
+        case let value as UInt:
+            hasher.combine(value)
+        case let value as UInt8:
+            hasher.combine(value)
+        case let value as UInt16:
+            hasher.combine(value)
+        case let value as UInt32:
+            hasher.combine(value)
+        case let value as UInt64:
+            hasher.combine(value)
+        case let value as Float:
+            hasher.combine(value)
+        case let value as Double:
+            hasher.combine(value)
+        case let value as String:
+            hasher.combine(value)
+        case let value as [String: AnyCodable]:
+            hasher.combine(value)
+        case let value as [AnyCodable]:
+            hasher.combine(value)
+        default:
+            hasher.combine(0)
+        }
+    }
+}
\ No newline at end of file
diff --git a/modules/openapi-generator/src/main/resources/swift5/Package.swift.mustache b/modules/openapi-generator/src/main/resources/swift5/Package.swift.mustache
index d64f11089b7b..353c6e9f3415 100644
--- a/modules/openapi-generator/src/main/resources/swift5/Package.swift.mustache
+++ b/modules/openapi-generator/src/main/resources/swift5/Package.swift.mustache
@@ -1,4 +1,4 @@
-// swift-tools-version:5.0
+// swift-tools-version:5.1
 
 import PackageDescription
 
@@ -19,6 +19,7 @@ let package = Package(
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
+        .package(url: "https://github.com/Flight-School/AnyCodable", .exact("0.4.0")),
         {{#useAlamofire}}
         .package(url: "https://github.com/Alamofire/Alamofire.git", from: "4.9.1"),
         {{/useAlamofire}}
@@ -34,7 +35,7 @@ let package = Package(
         // Targets can depend on other targets in this package, and on products in packages which this package depends on.
         .target(
             name: "{{projectName}}",
-            dependencies: [{{#useAlamofire}}"Alamofire", {{/useAlamofire}}{{#usePromiseKit}}"PromiseKit", {{/usePromiseKit}}{{#useRxSwift}}"RxSwift"{{/useRxSwift}}],
+            dependencies: ["AnyCodable", {{#useAlamofire}}"Alamofire", {{/useAlamofire}}{{#usePromiseKit}}"PromiseKit", {{/usePromiseKit}}{{#useRxSwift}}"RxSwift"{{/useRxSwift}}],
             path: "{{#swiftPackagePath}}{{swiftPackagePath}}{{/swiftPackagePath}}{{^swiftPackagePath}}{{#useSPMFileStructure}}Sources/{{projectName}}{{/useSPMFileStructure}}{{^useSPMFileStructure}}{{projectName}}/Classes{{/useSPMFileStructure}}{{/swiftPackagePath}}"
         ),
     ]
diff --git a/modules/openapi-generator/src/main/resources/swift5/Podspec.mustache b/modules/openapi-generator/src/main/resources/swift5/Podspec.mustache
index d791e5a26ad5..09f07162c03f 100644
--- a/modules/openapi-generator/src/main/resources/swift5/Podspec.mustache
+++ b/modules/openapi-generator/src/main/resources/swift5/Podspec.mustache
@@ -35,4 +35,5 @@ Pod::Spec.new do |s|
   {{#useAlamofire}}
   s.dependency 'Alamofire', '~> 4.9.1'
   {{/useAlamofire}}
+  s.dependency 'AnyCodable-FlightSchool', '~> 0.4.0'
 end
diff --git a/modules/openapi-generator/src/main/resources/swift5/XcodeGen.mustache b/modules/openapi-generator/src/main/resources/swift5/XcodeGen.mustache
index 8cdfc166552d..54fbb33d468d 100644
--- a/modules/openapi-generator/src/main/resources/swift5/XcodeGen.mustache
+++ b/modules/openapi-generator/src/main/resources/swift5/XcodeGen.mustache
@@ -15,3 +15,4 @@ targets:
     - carthage: Alamofire{{/useAlamofire}}{{#useRxSwift}}
     - carthage: RxSwift{{/useRxSwift}}{{#usePromiseKit}}
     - carthage: PromiseKit{{/usePromiseKit}}
+    - carthage: AnyCodable
diff --git a/modules/openapi-generator/src/main/resources/swift5/api.mustache b/modules/openapi-generator/src/main/resources/swift5/api.mustache
index f1e181e25241..ac3b4b3d9541 100644
--- a/modules/openapi-generator/src/main/resources/swift5/api.mustache
+++ b/modules/openapi-generator/src/main/resources/swift5/api.mustache
@@ -248,13 +248,13 @@ extension {{projectName}}API {
         let parameters: [String: Any]? = nil
             {{/hasFormParams}}
 {{/bodyParam}}{{#hasQueryParams}}
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([{{^queryParams}}:{{/queryParams}}
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([{{^queryParams}}:{{/queryParams}}
             {{#queryParams}}
             {{> _param}},
             {{/queryParams}}
         ]){{/hasQueryParams}}{{^hasQueryParams}}
-        let url = URLComponents(string: URLString){{/hasQueryParams}}
+        let urlComponents = URLComponents(string: URLString){{/hasQueryParams}}
 
         let nillableHeaders: [String: Any?] = [{{^headerParams}}{{^hasFormParams}}
             :{{/hasFormParams}}{{/headerParams}}{{#hasFormParams}}
@@ -266,7 +266,7 @@ extension {{projectName}}API {
 
         let requestBuilder: RequestBuilder<{{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}Void{{/returnType}}>.Type = {{projectName}}API.requestBuilderFactory.{{#returnType}}getBuilder(){{/returnType}}{{^returnType}}getNonDecodableBuilder(){{/returnType}}
 
-        return requestBuilder.init(method: "{{httpMethod}}", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "{{httpMethod}}", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 {{/operation}}
diff --git a/modules/openapi-generator/src/main/resources/swift5/model.mustache b/modules/openapi-generator/src/main/resources/swift5/model.mustache
index a5870644a60e..7ea71a27f231 100644
--- a/modules/openapi-generator/src/main/resources/swift5/model.mustache
+++ b/modules/openapi-generator/src/main/resources/swift5/model.mustache
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 {{#description}}
 
 /** {{description}} */{{/description}}{{#isDeprecated}}
diff --git a/samples/client/petstore/swift5/alamofireLibrary/Cartfile b/samples/client/petstore/swift5/alamofireLibrary/Cartfile
index 7d30a6849b12..cf67badb8507 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/Cartfile
+++ b/samples/client/petstore/swift5/alamofireLibrary/Cartfile
@@ -1 +1,2 @@
 github "Alamofire/Alamofire" ~> 4.9.1
+github "Flight-School/AnyCodable" ~> 0.4.0
diff --git a/samples/client/petstore/swift5/alamofireLibrary/Package.swift b/samples/client/petstore/swift5/alamofireLibrary/Package.swift
index 1bf8d9cfdd26..41b3c7aba32d 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/Package.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.0
+// swift-tools-version:5.1
 
 import PackageDescription
 
@@ -19,6 +19,7 @@ let package = Package(
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
+        .package(url: "https://github.com/Flight-School/AnyCodable", .exact("0.4.0")),
         .package(url: "https://github.com/Alamofire/Alamofire.git", from: "4.9.1"),
     ],
     targets: [
@@ -26,7 +27,7 @@ let package = Package(
         // Targets can depend on other targets in this package, and on products in packages which this package depends on.
         .target(
             name: "PetstoreClient",
-            dependencies: ["Alamofire", ],
+            dependencies: ["AnyCodable", "Alamofire", ],
             path: "PetstoreClient/Classes"
         ),
     ]
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient.podspec b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient.podspec
index 00711c531254..23fbf0941061 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient.podspec
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient.podspec
@@ -12,4 +12,5 @@ Pod::Spec.new do |s|
   s.summary = 'PetstoreClient'
   s.source_files = 'PetstoreClient/Classes/**/*.swift'
   s.dependency 'Alamofire', '~> 4.9.1'
+  s.dependency 'AnyCodable-FlightSchool', '~> 0.4.0'
 end
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
index 24b0015a270d..72b89640eeb4 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
@@ -38,7 +38,7 @@ open class AnotherFakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -48,7 +48,7 @@ open class AnotherFakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
index 58c4b8a093ce..cf92424d9cc1 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
@@ -36,7 +36,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -46,7 +46,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Bool>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -77,7 +77,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -87,7 +87,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<OuterComposite>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -118,7 +118,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -128,7 +128,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Double>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -159,7 +159,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -169,7 +169,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -200,7 +200,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -210,7 +210,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -242,8 +242,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "query": query.encodeToJSON(),
         ])
 
@@ -255,7 +255,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -288,7 +288,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -298,7 +298,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -378,7 +378,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -388,7 +388,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -508,8 +508,8 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "enum_query_string_array": enumQueryStringArray?.encodeToJSON(),
             "enum_query_string": enumQueryString?.encodeToJSON(),
             "enum_query_integer": enumQueryInteger?.encodeToJSON(),
@@ -526,7 +526,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -569,8 +569,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "required_string_group": requiredStringGroup.encodeToJSON(),
             "required_int64_group": requiredInt64Group.encodeToJSON(),
             "string_group": stringGroup?.encodeToJSON(),
@@ -586,7 +586,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -618,7 +618,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: param)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -628,7 +628,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -668,7 +668,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -678,7 +678,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
index fb3bb8ce00a7..d4d651664963 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
@@ -41,7 +41,7 @@ open class FakeClassnameTags123API {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ open class FakeClassnameTags123API {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
index 5cd3629127bf..a1fe0d12b1da 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
@@ -40,7 +40,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -50,7 +50,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -90,7 +90,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "api_key": apiKey?.encodeToJSON(),
@@ -100,7 +100,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -145,8 +145,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "status": status.encodeToJSON(),
         ])
 
@@ -158,7 +158,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -196,8 +196,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "tags": tags.encodeToJSON(),
         ])
 
@@ -209,7 +209,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -248,7 +248,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -258,7 +258,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Pet>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -293,7 +293,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -303,7 +303,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -351,7 +351,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -361,7 +361,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -409,7 +409,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -419,7 +419,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -467,7 +467,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -477,7 +477,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
index 95adcc200ae0..501f11f5f219 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
@@ -41,7 +41,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -85,7 +85,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -95,7 +95,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<[String: Int]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -131,7 +131,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -141,7 +141,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -173,7 +173,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -183,7 +183,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
index cfd30068a9db..254474014d31 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
@@ -38,7 +38,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -48,7 +48,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -80,7 +80,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -90,7 +90,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -122,7 +122,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -132,7 +132,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -168,7 +168,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -178,7 +178,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -213,7 +213,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -223,7 +223,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<User>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -258,8 +258,8 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "username": username.encodeToJSON(),
             "password": password.encodeToJSON(),
         ])
@@ -272,7 +272,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -302,7 +302,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -312,7 +312,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -350,7 +350,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -360,7 +360,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift
index 93ed6b90b376..3aef2d1d6c54 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift
@@ -5,6 +5,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 extension Bool: JSONEncodable {
     func encodeToJSON() -> Any { return self as Any }
@@ -52,6 +53,12 @@ extension Array: JSONEncodable {
     }
 }
 
+extension Set: JSONEncodable {
+    func encodeToJSON() -> Any {
+        return Array(self).encodeToJSON()
+    }
+}
+
 extension Dictionary: JSONEncodable {
     func encodeToJSON() -> Any {
         var dictionary = [AnyHashable: Any]()
@@ -177,3 +184,44 @@ extension HTTPURLResponse {
         return Array(200 ..< 300).contains(statusCode)
     }
 }
+
+extension AnyCodable: Hashable {
+    public func hash(into hasher: inout Hasher) {
+        switch value {
+        case let value as Bool:
+            hasher.combine(value)
+        case let value as Int:
+            hasher.combine(value)
+        case let value as Int8:
+            hasher.combine(value)
+        case let value as Int16:
+            hasher.combine(value)
+        case let value as Int32:
+            hasher.combine(value)
+        case let value as Int64:
+            hasher.combine(value)
+        case let value as UInt:
+            hasher.combine(value)
+        case let value as UInt8:
+            hasher.combine(value)
+        case let value as UInt16:
+            hasher.combine(value)
+        case let value as UInt32:
+            hasher.combine(value)
+        case let value as UInt64:
+            hasher.combine(value)
+        case let value as Float:
+            hasher.combine(value)
+        case let value as Double:
+            hasher.combine(value)
+        case let value as String:
+            hasher.combine(value)
+        case let value as [String: AnyCodable]:
+            hasher.combine(value)
+        case let value as [AnyCodable]:
+            hasher.combine(value)
+        default:
+            hasher.combine(0)
+        }
+    }
+}
\ No newline at end of file
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
index 733b7bc51594..9e198439a0a3 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct AdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
index e57c8b471765..74cb98156291 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Animal: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
index e09b0e9efdc8..b20b894a1adb 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
@@ -6,5 +6,6 @@
 //
 
 import Foundation
+import AnyCodable
 
 public typealias AnimalFarm = [Animal]
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
index 630992f6231e..f1c8bcecb7ce 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ApiResponse: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
index 4710793fc9a6..a324a85d46a1 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
index a41968d9b199..0c24cfde0ca3 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
index f442ea725451..00202431a97d 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
index 44b50bbe0063..914691c08492 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Capitalization: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
index c6bf4460da6e..878079f4255e 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Cat: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
index f9484f9bc8fd..9e824dce4d82 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct CatAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
index 6a19bb02d0df..22e0dbb91c20 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Category: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
index 5c8e8882831f..3915fc497b62 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model with \&quot;_class\&quot; property */
 public struct ClassModel: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
index 1464b047c06a..2ba76790800a 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Client: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
index 5aed7834d537..d350a1d0f17c 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Dog: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
index 716776261d30..b2b88b324638 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct DogAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
index aa13aa59f86a..6398a1361271 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumArrays: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
index d4029d73f8af..ab01cf297f8e 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum EnumClass: String, Codable, CaseIterable {
     case abc = "_abc"
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
index 8b62febdc959..ba813e27a597 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift
index aa14d762394d..38fcb14eba97 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Must be named &#x60;File&#x60; for test. */
 public struct File: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
index 85987709776e..daf953b587ab 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FileSchemaTestClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
index f09cb471b360..0d2cba9c3941 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FormatTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
index 03d35274a4ee..5c025f8ba16d 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct HasOnlyReadOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift
index f8f08e4c6c44..c20e683ee82e 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct List: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
index bd4e7b97e81b..d7dc8dce1af1 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MapTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
index 80c1781a2bfc..73fa72a0c541 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MixedPropertiesAndAdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
index d36d4e27352a..baf6ab8603c9 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name starting with number */
 public struct Model200Response: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
index 49cc57544179..44d61f95059b 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name same as property name */
 public struct Name: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
index 6b024294e288..2955c7100921 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct NumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
index 8ef7cb79e2c8..8e7ae039b621 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Order: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
index 9865764ff9bb..8d05ecbb528a 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct OuterComposite: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
index c3b778cbbed4..9bd6f3bef8f6 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum OuterEnum: String, Codable, CaseIterable {
     case placed = "placed"
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
index 1bc823d3e960..c79a8df67079 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Pet: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
index 03b5b0dbf02b..74ede03225be 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ReadOnlyFirst: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
index 5f539f461843..baf832a256b3 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing reserved words */
 public struct Return: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
index cb82d2ae3adc..7c3844e63389 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct SpecialModelName: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
index 77ab81f5f341..888865c1429d 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct StringBooleanMap: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
index 8b8e24fc39c0..dc95f0ba9d2d 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Tag: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
index f1920ef37788..2d3c016bf6a2 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderDefault: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
index 1a23c1b486b8..1ef4ed92ab73 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderExample: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift
index f3b4f6bb958a..af5b72010486 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift
+++ b/samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct User: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/alamofireLibrary/project.yml b/samples/client/petstore/swift5/alamofireLibrary/project.yml
index 08035907b99e..148e2487eae3 100644
--- a/samples/client/petstore/swift5/alamofireLibrary/project.yml
+++ b/samples/client/petstore/swift5/alamofireLibrary/project.yml
@@ -13,3 +13,4 @@ targets:
     scheme: {}
     dependencies:
     - carthage: Alamofire
+    - carthage: AnyCodable
diff --git a/samples/client/petstore/swift5/combineLibrary/Cartfile b/samples/client/petstore/swift5/combineLibrary/Cartfile
index 8b137891791f..84aaa61ef2d3 100644
--- a/samples/client/petstore/swift5/combineLibrary/Cartfile
+++ b/samples/client/petstore/swift5/combineLibrary/Cartfile
@@ -1 +1,2 @@
 
+github "Flight-School/AnyCodable" ~> 0.4.0
diff --git a/samples/client/petstore/swift5/combineLibrary/Package.swift b/samples/client/petstore/swift5/combineLibrary/Package.swift
index b7fe4734aa8a..b724838fe8d3 100644
--- a/samples/client/petstore/swift5/combineLibrary/Package.swift
+++ b/samples/client/petstore/swift5/combineLibrary/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.0
+// swift-tools-version:5.1
 
 import PackageDescription
 
@@ -19,13 +19,14 @@ let package = Package(
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
+        .package(url: "https://github.com/Flight-School/AnyCodable", .exact("0.4.0")),
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.
         // Targets can depend on other targets in this package, and on products in packages which this package depends on.
         .target(
             name: "PetstoreClient",
-            dependencies: [],
+            dependencies: ["AnyCodable", ],
             path: "PetstoreClient/Classes"
         ),
     ]
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient.podspec b/samples/client/petstore/swift5/combineLibrary/PetstoreClient.podspec
index b61285f6b25e..de06558efbdb 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient.podspec
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient.podspec
@@ -11,4 +11,5 @@ Pod::Spec.new do |s|
   s.homepage = 'https://github.com/openapitools/openapi-generator'
   s.summary = 'PetstoreClient'
   s.source_files = 'PetstoreClient/Classes/**/*.swift'
+  s.dependency 'AnyCodable-FlightSchool', '~> 0.4.0'
 end
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
index 62f1ed590426..9db7ad8a0d37 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
@@ -46,7 +46,7 @@ open class AnotherFakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -56,7 +56,7 @@ open class AnotherFakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
index b90460ea41ac..20e0b55d9e8c 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
@@ -44,7 +44,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -54,7 +54,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Bool>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -90,7 +90,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -100,7 +100,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<OuterComposite>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -136,7 +136,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -146,7 +146,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Double>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -182,7 +182,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -192,7 +192,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -228,7 +228,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -238,7 +238,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -275,8 +275,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "query": query.encodeToJSON(),
         ])
 
@@ -288,7 +288,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -326,7 +326,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -336,7 +336,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -421,7 +421,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -431,7 +431,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -556,8 +556,8 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "enum_query_string_array": enumQueryStringArray?.encodeToJSON(),
             "enum_query_string": enumQueryString?.encodeToJSON(),
             "enum_query_integer": enumQueryInteger?.encodeToJSON(),
@@ -574,7 +574,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -622,8 +622,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "required_string_group": requiredStringGroup.encodeToJSON(),
             "required_int64_group": requiredInt64Group.encodeToJSON(),
             "string_group": stringGroup?.encodeToJSON(),
@@ -639,7 +639,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -676,7 +676,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: param)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -686,7 +686,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -731,7 +731,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -741,7 +741,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
index 42d6ea597b4b..85eab81386f0 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
@@ -49,7 +49,7 @@ open class FakeClassnameTags123API {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -59,7 +59,7 @@ open class FakeClassnameTags123API {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
index b4226ff4aa1d..10ce86076cf1 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
@@ -48,7 +48,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -58,7 +58,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -103,7 +103,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "api_key": apiKey?.encodeToJSON(),
@@ -113,7 +113,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -163,8 +163,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "status": status.encodeToJSON(),
         ])
 
@@ -176,7 +176,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -219,8 +219,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "tags": tags.encodeToJSON(),
         ])
 
@@ -232,7 +232,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -276,7 +276,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -286,7 +286,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Pet>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -326,7 +326,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -336,7 +336,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -389,7 +389,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -399,7 +399,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -452,7 +452,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -462,7 +462,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -515,7 +515,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -525,7 +525,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
index b50dcb0193c8..12a0d5688d52 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
@@ -49,7 +49,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -59,7 +59,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -98,7 +98,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -108,7 +108,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<[String: Int]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -149,7 +149,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -159,7 +159,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -196,7 +196,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -206,7 +206,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
index f678057ceaf9..cbee9448a008 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
@@ -46,7 +46,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -56,7 +56,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -93,7 +93,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -103,7 +103,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -140,7 +140,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -150,7 +150,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -191,7 +191,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -201,7 +201,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -241,7 +241,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -251,7 +251,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<User>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -291,8 +291,8 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "username": username.encodeToJSON(),
             "password": password.encodeToJSON(),
         ])
@@ -305,7 +305,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -340,7 +340,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -350,7 +350,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -393,7 +393,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -403,7 +403,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift
index 93ed6b90b376..3aef2d1d6c54 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift
@@ -5,6 +5,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 extension Bool: JSONEncodable {
     func encodeToJSON() -> Any { return self as Any }
@@ -52,6 +53,12 @@ extension Array: JSONEncodable {
     }
 }
 
+extension Set: JSONEncodable {
+    func encodeToJSON() -> Any {
+        return Array(self).encodeToJSON()
+    }
+}
+
 extension Dictionary: JSONEncodable {
     func encodeToJSON() -> Any {
         var dictionary = [AnyHashable: Any]()
@@ -177,3 +184,44 @@ extension HTTPURLResponse {
         return Array(200 ..< 300).contains(statusCode)
     }
 }
+
+extension AnyCodable: Hashable {
+    public func hash(into hasher: inout Hasher) {
+        switch value {
+        case let value as Bool:
+            hasher.combine(value)
+        case let value as Int:
+            hasher.combine(value)
+        case let value as Int8:
+            hasher.combine(value)
+        case let value as Int16:
+            hasher.combine(value)
+        case let value as Int32:
+            hasher.combine(value)
+        case let value as Int64:
+            hasher.combine(value)
+        case let value as UInt:
+            hasher.combine(value)
+        case let value as UInt8:
+            hasher.combine(value)
+        case let value as UInt16:
+            hasher.combine(value)
+        case let value as UInt32:
+            hasher.combine(value)
+        case let value as UInt64:
+            hasher.combine(value)
+        case let value as Float:
+            hasher.combine(value)
+        case let value as Double:
+            hasher.combine(value)
+        case let value as String:
+            hasher.combine(value)
+        case let value as [String: AnyCodable]:
+            hasher.combine(value)
+        case let value as [AnyCodable]:
+            hasher.combine(value)
+        default:
+            hasher.combine(0)
+        }
+    }
+}
\ No newline at end of file
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
index 733b7bc51594..9e198439a0a3 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct AdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
index e57c8b471765..74cb98156291 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Animal: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
index e09b0e9efdc8..b20b894a1adb 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
@@ -6,5 +6,6 @@
 //
 
 import Foundation
+import AnyCodable
 
 public typealias AnimalFarm = [Animal]
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
index 630992f6231e..f1c8bcecb7ce 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ApiResponse: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
index 4710793fc9a6..a324a85d46a1 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
index a41968d9b199..0c24cfde0ca3 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
index f442ea725451..00202431a97d 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
index 44b50bbe0063..914691c08492 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Capitalization: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
index c6bf4460da6e..878079f4255e 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Cat: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
index f9484f9bc8fd..9e824dce4d82 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct CatAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
index 6a19bb02d0df..22e0dbb91c20 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Category: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
index 5c8e8882831f..3915fc497b62 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model with \&quot;_class\&quot; property */
 public struct ClassModel: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
index 1464b047c06a..2ba76790800a 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Client: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
index 5aed7834d537..d350a1d0f17c 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Dog: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
index 716776261d30..b2b88b324638 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct DogAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
index aa13aa59f86a..6398a1361271 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumArrays: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
index d4029d73f8af..ab01cf297f8e 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum EnumClass: String, Codable, CaseIterable {
     case abc = "_abc"
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
index 8b62febdc959..ba813e27a597 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift
index aa14d762394d..38fcb14eba97 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Must be named &#x60;File&#x60; for test. */
 public struct File: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
index 85987709776e..daf953b587ab 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FileSchemaTestClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
index f09cb471b360..0d2cba9c3941 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FormatTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
index 03d35274a4ee..5c025f8ba16d 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct HasOnlyReadOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift
index f8f08e4c6c44..c20e683ee82e 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct List: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
index bd4e7b97e81b..d7dc8dce1af1 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MapTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
index 80c1781a2bfc..73fa72a0c541 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MixedPropertiesAndAdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
index d36d4e27352a..baf6ab8603c9 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name starting with number */
 public struct Model200Response: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
index 49cc57544179..44d61f95059b 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name same as property name */
 public struct Name: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
index 6b024294e288..2955c7100921 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct NumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
index 8ef7cb79e2c8..8e7ae039b621 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Order: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
index 9865764ff9bb..8d05ecbb528a 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct OuterComposite: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
index c3b778cbbed4..9bd6f3bef8f6 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum OuterEnum: String, Codable, CaseIterable {
     case placed = "placed"
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
index 1bc823d3e960..c79a8df67079 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Pet: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
index 03b5b0dbf02b..74ede03225be 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ReadOnlyFirst: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
index 5f539f461843..baf832a256b3 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing reserved words */
 public struct Return: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
index cb82d2ae3adc..7c3844e63389 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct SpecialModelName: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
index 77ab81f5f341..888865c1429d 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct StringBooleanMap: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
index 8b8e24fc39c0..dc95f0ba9d2d 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Tag: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
index f1920ef37788..2d3c016bf6a2 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderDefault: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
index 1a23c1b486b8..1ef4ed92ab73 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderExample: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift
index f3b4f6bb958a..af5b72010486 100644
--- a/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift
+++ b/samples/client/petstore/swift5/combineLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct User: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/combineLibrary/project.yml b/samples/client/petstore/swift5/combineLibrary/project.yml
index 8e7102001b8d..5528eeee5135 100644
--- a/samples/client/petstore/swift5/combineLibrary/project.yml
+++ b/samples/client/petstore/swift5/combineLibrary/project.yml
@@ -12,3 +12,4 @@ targets:
       APPLICATION_EXTENSION_API_ONLY: true
     scheme: {}
     
+    - carthage: AnyCodable
diff --git a/samples/client/petstore/swift5/default/.openapi-generator/FILES b/samples/client/petstore/swift5/default/.openapi-generator/FILES
index c81943baf2af..205dadc060a1 100644
--- a/samples/client/petstore/swift5/default/.openapi-generator/FILES
+++ b/samples/client/petstore/swift5/default/.openapi-generator/FILES
@@ -16,13 +16,22 @@ PetstoreClient/Classes/OpenAPIs/Extensions.swift
 PetstoreClient/Classes/OpenAPIs/JSONDataEncoding.swift
 PetstoreClient/Classes/OpenAPIs/JSONEncodingHelper.swift
 PetstoreClient/Classes/OpenAPIs/Models.swift
+PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesAnyType.swift
+PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesArray.swift
+PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesBoolean.swift
 PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
+PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesInteger.swift
+PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesNumber.swift
+PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesObject.swift
+PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesString.swift
 PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
 PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
 PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
 PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
 PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
 PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
+PetstoreClient/Classes/OpenAPIs/Models/BigCat.swift
+PetstoreClient/Classes/OpenAPIs/Models/BigCatAllOf.swift
 PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
 PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
 PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
@@ -56,11 +65,19 @@ PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
 PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
 PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
 PetstoreClient/Classes/OpenAPIs/Models/User.swift
+PetstoreClient/Classes/OpenAPIs/Models/XmlItem.swift
 PetstoreClient/Classes/OpenAPIs/OpenISO8601DateFormatter.swift
 PetstoreClient/Classes/OpenAPIs/SynchronizedDictionary.swift
 PetstoreClient/Classes/OpenAPIs/URLSessionImplementations.swift
 README.md
+docs/AdditionalPropertiesAnyType.md
+docs/AdditionalPropertiesArray.md
+docs/AdditionalPropertiesBoolean.md
 docs/AdditionalPropertiesClass.md
+docs/AdditionalPropertiesInteger.md
+docs/AdditionalPropertiesNumber.md
+docs/AdditionalPropertiesObject.md
+docs/AdditionalPropertiesString.md
 docs/Animal.md
 docs/AnimalFarm.md
 docs/AnotherFakeAPI.md
@@ -68,6 +85,8 @@ docs/ApiResponse.md
 docs/ArrayOfArrayOfNumberOnly.md
 docs/ArrayOfNumberOnly.md
 docs/ArrayTest.md
+docs/BigCat.md
+docs/BigCatAllOf.md
 docs/Capitalization.md
 docs/Cat.md
 docs/CatAllOf.md
@@ -106,5 +125,6 @@ docs/TypeHolderDefault.md
 docs/TypeHolderExample.md
 docs/User.md
 docs/UserAPI.md
+docs/XmlItem.md
 git_push.sh
 project.yml
diff --git a/samples/client/petstore/swift5/default/Cartfile b/samples/client/petstore/swift5/default/Cartfile
index 8b137891791f..84aaa61ef2d3 100644
--- a/samples/client/petstore/swift5/default/Cartfile
+++ b/samples/client/petstore/swift5/default/Cartfile
@@ -1 +1,2 @@
 
+github "Flight-School/AnyCodable" ~> 0.4.0
diff --git a/samples/client/petstore/swift5/default/Package.resolved b/samples/client/petstore/swift5/default/Package.resolved
new file mode 100644
index 000000000000..85bb93ced12f
--- /dev/null
+++ b/samples/client/petstore/swift5/default/Package.resolved
@@ -0,0 +1,16 @@
+{
+  "object": {
+    "pins": [
+      {
+        "package": "AnyCodable",
+        "repositoryURL": "https://github.com/Flight-School/AnyCodable",
+        "state": {
+          "branch": null,
+          "revision": "38b05fc9f86501ef8018aa90cf3d83bd97f74067",
+          "version": "0.4.0"
+        }
+      }
+    ]
+  },
+  "version": 1
+}
diff --git a/samples/client/petstore/swift5/default/Package.swift b/samples/client/petstore/swift5/default/Package.swift
index b7fe4734aa8a..b724838fe8d3 100644
--- a/samples/client/petstore/swift5/default/Package.swift
+++ b/samples/client/petstore/swift5/default/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.0
+// swift-tools-version:5.1
 
 import PackageDescription
 
@@ -19,13 +19,14 @@ let package = Package(
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
+        .package(url: "https://github.com/Flight-School/AnyCodable", .exact("0.4.0")),
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.
         // Targets can depend on other targets in this package, and on products in packages which this package depends on.
         .target(
             name: "PetstoreClient",
-            dependencies: [],
+            dependencies: ["AnyCodable", ],
             path: "PetstoreClient/Classes"
         ),
     ]
diff --git a/samples/client/petstore/swift5/default/PetstoreClient.podspec b/samples/client/petstore/swift5/default/PetstoreClient.podspec
index b61285f6b25e..de06558efbdb 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient.podspec
+++ b/samples/client/petstore/swift5/default/PetstoreClient.podspec
@@ -11,4 +11,5 @@ Pod::Spec.new do |s|
   s.homepage = 'https://github.com/openapitools/openapi-generator'
   s.summary = 'PetstoreClient'
   s.source_files = 'PetstoreClient/Classes/**/*.swift'
+  s.dependency 'AnyCodable-FlightSchool', '~> 0.4.0'
 end
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
index 24b0015a270d..72b89640eeb4 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
@@ -38,7 +38,7 @@ open class AnotherFakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -48,7 +48,7 @@ open class AnotherFakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
index 58c4b8a093ce..6d02c24d05f9 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
@@ -8,6 +8,49 @@
 import Foundation
 
 open class FakeAPI {
+    /**
+     creates an XmlItem
+     
+     - parameter xmlItem: (body) XmlItem Body 
+     - parameter apiResponseQueue: The queue on which api response is dispatched.
+     - parameter completion: completion handler to receive the data and the error objects
+     */
+    open class func createXmlItem(xmlItem: XmlItem, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ data: Void?, _ error: Error?) -> Void)) {
+        createXmlItemWithRequestBuilder(xmlItem: xmlItem).execute(apiResponseQueue) { result -> Void in
+            switch result {
+            case .success:
+                completion((), nil)
+            case let .failure(error):
+                completion(nil, error)
+            }
+        }
+    }
+
+    /**
+     creates an XmlItem
+     - POST /fake/create_xml_item
+     - this route creates an XmlItem
+     - parameter xmlItem: (body) XmlItem Body 
+     - returns: RequestBuilder<Void> 
+     */
+    open class func createXmlItemWithRequestBuilder(xmlItem: XmlItem) -> RequestBuilder<Void> {
+        let path = "/fake/create_xml_item"
+        let URLString = PetstoreClientAPI.basePath + path
+        let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: xmlItem)
+
+        let urlComponents = URLComponents(string: URLString)
+
+        let nillableHeaders: [String: Any?] = [
+            :
+        ]
+
+        let headerParameters = APIHelper.rejectNilHeaders(nillableHeaders)
+
+        let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
+
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
+    }
+
     /**
 
      - parameter body: (body) Input boolean as post body (optional)
@@ -36,7 +79,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -46,7 +89,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Bool>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -77,7 +120,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -87,7 +130,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<OuterComposite>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -118,7 +161,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -128,7 +171,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Double>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -159,7 +202,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -169,7 +212,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -200,7 +243,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -210,7 +253,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -242,8 +285,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "query": query.encodeToJSON(),
         ])
 
@@ -255,7 +298,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -288,7 +331,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -298,7 +341,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -378,7 +421,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -388,7 +431,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -508,8 +551,8 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "enum_query_string_array": enumQueryStringArray?.encodeToJSON(),
             "enum_query_string": enumQueryString?.encodeToJSON(),
             "enum_query_integer": enumQueryInteger?.encodeToJSON(),
@@ -526,7 +569,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -569,8 +612,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "required_string_group": requiredStringGroup.encodeToJSON(),
             "required_int64_group": requiredInt64Group.encodeToJSON(),
             "string_group": stringGroup?.encodeToJSON(),
@@ -586,7 +629,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -618,7 +661,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: param)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -628,7 +671,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -668,7 +711,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -678,7 +721,63 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
+    }
+
+    /**
+
+     - parameter pipe: (query)  
+     - parameter ioutil: (query)  
+     - parameter http: (query)  
+     - parameter url: (query)  
+     - parameter context: (query)  
+     - parameter apiResponseQueue: The queue on which api response is dispatched.
+     - parameter completion: completion handler to receive the data and the error objects
+     */
+    open class func testQueryParameterCollectionFormat(pipe: [String], ioutil: [String], http: [String], url: [String], context: [String], apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ data: Void?, _ error: Error?) -> Void)) {
+        testQueryParameterCollectionFormatWithRequestBuilder(pipe: pipe, ioutil: ioutil, http: http, url: url, context: context).execute(apiResponseQueue) { result -> Void in
+            switch result {
+            case .success:
+                completion((), nil)
+            case let .failure(error):
+                completion(nil, error)
+            }
+        }
+    }
+
+    /**
+     - PUT /fake/test-query-paramters
+     - To test the collection format in query parameters
+     - parameter pipe: (query)  
+     - parameter ioutil: (query)  
+     - parameter http: (query)  
+     - parameter url: (query)  
+     - parameter context: (query)  
+     - returns: RequestBuilder<Void> 
+     */
+    open class func testQueryParameterCollectionFormatWithRequestBuilder(pipe: [String], ioutil: [String], http: [String], url: [String], context: [String]) -> RequestBuilder<Void> {
+        let path = "/fake/test-query-paramters"
+        let URLString = PetstoreClientAPI.basePath + path
+        let parameters: [String: Any]? = nil
+
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
+            "pipe": pipe.encodeToJSON(),
+            "ioutil": ioutil.encodeToJSON(),
+            "http": http.encodeToJSON(),
+            "url": url.encodeToJSON(),
+            "context": context.encodeToJSON(),
+        ])
+
+        let nillableHeaders: [String: Any?] = [
+            :
+        ]
+
+        let headerParameters = APIHelper.rejectNilHeaders(nillableHeaders)
+
+        let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
+
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
index fb3bb8ce00a7..d4d651664963 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
@@ -41,7 +41,7 @@ open class FakeClassnameTags123API {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ open class FakeClassnameTags123API {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
index 5cd3629127bf..5c220c11bb5f 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
@@ -40,7 +40,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -50,7 +50,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -90,7 +90,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "api_key": apiKey?.encodeToJSON(),
@@ -100,7 +100,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -145,8 +145,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "status": status.encodeToJSON(),
         ])
 
@@ -158,7 +158,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -169,7 +169,7 @@ open class PetAPI {
      - parameter completion: completion handler to receive the data and the error objects
      */
     @available(*, deprecated, message: "This operation is deprecated.")
-    open class func findPetsByTags(tags: [String], apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ data: [Pet]?, _ error: Error?) -> Void)) {
+    open class func findPetsByTags(tags: Set<String>, apiResponseQueue: DispatchQueue = PetstoreClientAPI.apiResponseQueue, completion: @escaping ((_ data: Set<Pet>?, _ error: Error?) -> Void)) {
         findPetsByTagsWithRequestBuilder(tags: tags).execute(apiResponseQueue) { result -> Void in
             switch result {
             case let .success(response):
@@ -188,16 +188,16 @@ open class PetAPI {
        - type: oauth2
        - name: petstore_auth
      - parameter tags: (query) Tags to filter by 
-     - returns: RequestBuilder<[Pet]> 
+     - returns: RequestBuilder<Set<Pet>> 
      */
     @available(*, deprecated, message: "This operation is deprecated.")
-    open class func findPetsByTagsWithRequestBuilder(tags: [String]) -> RequestBuilder<[Pet]> {
+    open class func findPetsByTagsWithRequestBuilder(tags: Set<String>) -> RequestBuilder<Set<Pet>> {
         let path = "/pet/findByTags"
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "tags": tags.encodeToJSON(),
         ])
 
@@ -207,9 +207,9 @@ open class PetAPI {
 
         let headerParameters = APIHelper.rejectNilHeaders(nillableHeaders)
 
-        let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
+        let requestBuilder: RequestBuilder<Set<Pet>>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -248,7 +248,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -258,7 +258,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Pet>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -293,7 +293,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -303,7 +303,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -351,7 +351,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -361,7 +361,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -409,7 +409,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -419,7 +419,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -467,7 +467,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -477,7 +477,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
index 95adcc200ae0..501f11f5f219 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
@@ -41,7 +41,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -85,7 +85,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -95,7 +95,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<[String: Int]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -131,7 +131,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -141,7 +141,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -173,7 +173,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -183,7 +183,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
index cfd30068a9db..254474014d31 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
@@ -38,7 +38,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -48,7 +48,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -80,7 +80,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -90,7 +90,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -122,7 +122,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -132,7 +132,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -168,7 +168,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -178,7 +178,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -213,7 +213,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -223,7 +223,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<User>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -258,8 +258,8 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "username": username.encodeToJSON(),
             "password": password.encodeToJSON(),
         ])
@@ -272,7 +272,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -302,7 +302,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -312,7 +312,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -350,7 +350,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -360,7 +360,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Extensions.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Extensions.swift
index 93ed6b90b376..3aef2d1d6c54 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Extensions.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Extensions.swift
@@ -5,6 +5,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 extension Bool: JSONEncodable {
     func encodeToJSON() -> Any { return self as Any }
@@ -52,6 +53,12 @@ extension Array: JSONEncodable {
     }
 }
 
+extension Set: JSONEncodable {
+    func encodeToJSON() -> Any {
+        return Array(self).encodeToJSON()
+    }
+}
+
 extension Dictionary: JSONEncodable {
     func encodeToJSON() -> Any {
         var dictionary = [AnyHashable: Any]()
@@ -177,3 +184,44 @@ extension HTTPURLResponse {
         return Array(200 ..< 300).contains(statusCode)
     }
 }
+
+extension AnyCodable: Hashable {
+    public func hash(into hasher: inout Hasher) {
+        switch value {
+        case let value as Bool:
+            hasher.combine(value)
+        case let value as Int:
+            hasher.combine(value)
+        case let value as Int8:
+            hasher.combine(value)
+        case let value as Int16:
+            hasher.combine(value)
+        case let value as Int32:
+            hasher.combine(value)
+        case let value as Int64:
+            hasher.combine(value)
+        case let value as UInt:
+            hasher.combine(value)
+        case let value as UInt8:
+            hasher.combine(value)
+        case let value as UInt16:
+            hasher.combine(value)
+        case let value as UInt32:
+            hasher.combine(value)
+        case let value as UInt64:
+            hasher.combine(value)
+        case let value as Float:
+            hasher.combine(value)
+        case let value as Double:
+            hasher.combine(value)
+        case let value as String:
+            hasher.combine(value)
+        case let value as [String: AnyCodable]:
+            hasher.combine(value)
+        case let value as [AnyCodable]:
+            hasher.combine(value)
+        default:
+            hasher.combine(0)
+        }
+    }
+}
\ No newline at end of file
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesAnyType.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesAnyType.swift
new file mode 100644
index 000000000000..17f687d795ae
--- /dev/null
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesAnyType.swift
@@ -0,0 +1,54 @@
+//
+// AdditionalPropertiesAnyType.swift
+//
+// Generated by openapi-generator
+// https://openapi-generator.tech
+//
+
+import Foundation
+import AnyCodable
+
+public struct AdditionalPropertiesAnyType: Codable, Hashable {
+
+    public var name: String?
+
+    public init(name: String? = nil) {
+        self.name = name
+    }
+    public var additionalProperties: [String: AnyCodable] = [:]
+
+    public subscript(key: String) -> AnyCodable? {
+        get {
+            if let value = additionalProperties[key] {
+                return value
+            }
+            return nil
+        }
+
+        set {
+            additionalProperties[key] = newValue
+        }
+    }
+
+    // Encodable protocol methods
+
+    public func encode(to encoder: Encoder) throws {
+
+        var container = encoder.container(keyedBy: String.self)
+
+        try container.encodeIfPresent(name, forKey: "name")
+        try container.encodeMap(additionalProperties)
+    }
+
+    // Decodable protocol methods
+
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: String.self)
+
+        name = try container.decodeIfPresent(String.self, forKey: "name")
+        var nonAdditionalPropertyKeys = Set<String>()
+        nonAdditionalPropertyKeys.insert("name")
+        additionalProperties = try container.decodeMap(AnyCodable.self, excludedKeys: nonAdditionalPropertyKeys)
+    }
+
+}
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesArray.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesArray.swift
new file mode 100644
index 000000000000..17c231a843cb
--- /dev/null
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesArray.swift
@@ -0,0 +1,54 @@
+//
+// AdditionalPropertiesArray.swift
+//
+// Generated by openapi-generator
+// https://openapi-generator.tech
+//
+
+import Foundation
+import AnyCodable
+
+public struct AdditionalPropertiesArray: Codable, Hashable {
+
+    public var name: String?
+
+    public init(name: String? = nil) {
+        self.name = name
+    }
+    public var additionalProperties: [String: [AnyCodable]] = [:]
+
+    public subscript(key: String) -> [AnyCodable]? {
+        get {
+            if let value = additionalProperties[key] {
+                return value
+            }
+            return nil
+        }
+
+        set {
+            additionalProperties[key] = newValue
+        }
+    }
+
+    // Encodable protocol methods
+
+    public func encode(to encoder: Encoder) throws {
+
+        var container = encoder.container(keyedBy: String.self)
+
+        try container.encodeIfPresent(name, forKey: "name")
+        try container.encodeMap(additionalProperties)
+    }
+
+    // Decodable protocol methods
+
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: String.self)
+
+        name = try container.decodeIfPresent(String.self, forKey: "name")
+        var nonAdditionalPropertyKeys = Set<String>()
+        nonAdditionalPropertyKeys.insert("name")
+        additionalProperties = try container.decodeMap([AnyCodable].self, excludedKeys: nonAdditionalPropertyKeys)
+    }
+
+}
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesBoolean.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesBoolean.swift
new file mode 100644
index 000000000000..07ee170c0185
--- /dev/null
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesBoolean.swift
@@ -0,0 +1,54 @@
+//
+// AdditionalPropertiesBoolean.swift
+//
+// Generated by openapi-generator
+// https://openapi-generator.tech
+//
+
+import Foundation
+import AnyCodable
+
+public struct AdditionalPropertiesBoolean: Codable, Hashable {
+
+    public var name: String?
+
+    public init(name: String? = nil) {
+        self.name = name
+    }
+    public var additionalProperties: [String: Bool] = [:]
+
+    public subscript(key: String) -> Bool? {
+        get {
+            if let value = additionalProperties[key] {
+                return value
+            }
+            return nil
+        }
+
+        set {
+            additionalProperties[key] = newValue
+        }
+    }
+
+    // Encodable protocol methods
+
+    public func encode(to encoder: Encoder) throws {
+
+        var container = encoder.container(keyedBy: String.self)
+
+        try container.encodeIfPresent(name, forKey: "name")
+        try container.encodeMap(additionalProperties)
+    }
+
+    // Decodable protocol methods
+
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: String.self)
+
+        name = try container.decodeIfPresent(String.self, forKey: "name")
+        var nonAdditionalPropertyKeys = Set<String>()
+        nonAdditionalPropertyKeys.insert("name")
+        additionalProperties = try container.decodeMap(Bool.self, excludedKeys: nonAdditionalPropertyKeys)
+    }
+
+}
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
index 733b7bc51594..896a15e299f2 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
@@ -6,20 +6,48 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct AdditionalPropertiesClass: Codable, Hashable {
 
     public var mapString: [String: String]?
+    public var mapNumber: [String: Double]?
+    public var mapInteger: [String: Int]?
+    public var mapBoolean: [String: Bool]?
+    public var mapArrayInteger: [String: [Int]]?
+    public var mapArrayAnytype: [String: [AnyCodable]]?
     public var mapMapString: [String: [String: String]]?
+    public var mapMapAnytype: [String: [String: AnyCodable]]?
+    public var anytype1: AnyCodable?
+    public var anytype2: AnyCodable?
+    public var anytype3: AnyCodable?
 
-    public init(mapString: [String: String]? = nil, mapMapString: [String: [String: String]]? = nil) {
+    public init(mapString: [String: String]? = nil, mapNumber: [String: Double]? = nil, mapInteger: [String: Int]? = nil, mapBoolean: [String: Bool]? = nil, mapArrayInteger: [String: [Int]]? = nil, mapArrayAnytype: [String: [AnyCodable]]? = nil, mapMapString: [String: [String: String]]? = nil, mapMapAnytype: [String: [String: AnyCodable]]? = nil, anytype1: AnyCodable? = nil, anytype2: AnyCodable? = nil, anytype3: AnyCodable? = nil) {
         self.mapString = mapString
+        self.mapNumber = mapNumber
+        self.mapInteger = mapInteger
+        self.mapBoolean = mapBoolean
+        self.mapArrayInteger = mapArrayInteger
+        self.mapArrayAnytype = mapArrayAnytype
         self.mapMapString = mapMapString
+        self.mapMapAnytype = mapMapAnytype
+        self.anytype1 = anytype1
+        self.anytype2 = anytype2
+        self.anytype3 = anytype3
     }
 
     public enum CodingKeys: String, CodingKey, CaseIterable {
         case mapString = "map_string"
+        case mapNumber = "map_number"
+        case mapInteger = "map_integer"
+        case mapBoolean = "map_boolean"
+        case mapArrayInteger = "map_array_integer"
+        case mapArrayAnytype = "map_array_anytype"
         case mapMapString = "map_map_string"
+        case mapMapAnytype = "map_map_anytype"
+        case anytype1 = "anytype_1"
+        case anytype2 = "anytype_2"
+        case anytype3 = "anytype_3"
     }
 
 }
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesInteger.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesInteger.swift
new file mode 100644
index 000000000000..ad95acdcbbec
--- /dev/null
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesInteger.swift
@@ -0,0 +1,54 @@
+//
+// AdditionalPropertiesInteger.swift
+//
+// Generated by openapi-generator
+// https://openapi-generator.tech
+//
+
+import Foundation
+import AnyCodable
+
+public struct AdditionalPropertiesInteger: Codable, Hashable {
+
+    public var name: String?
+
+    public init(name: String? = nil) {
+        self.name = name
+    }
+    public var additionalProperties: [String: Int] = [:]
+
+    public subscript(key: String) -> Int? {
+        get {
+            if let value = additionalProperties[key] {
+                return value
+            }
+            return nil
+        }
+
+        set {
+            additionalProperties[key] = newValue
+        }
+    }
+
+    // Encodable protocol methods
+
+    public func encode(to encoder: Encoder) throws {
+
+        var container = encoder.container(keyedBy: String.self)
+
+        try container.encodeIfPresent(name, forKey: "name")
+        try container.encodeMap(additionalProperties)
+    }
+
+    // Decodable protocol methods
+
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: String.self)
+
+        name = try container.decodeIfPresent(String.self, forKey: "name")
+        var nonAdditionalPropertyKeys = Set<String>()
+        nonAdditionalPropertyKeys.insert("name")
+        additionalProperties = try container.decodeMap(Int.self, excludedKeys: nonAdditionalPropertyKeys)
+    }
+
+}
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesNumber.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesNumber.swift
new file mode 100644
index 000000000000..37e32a47e532
--- /dev/null
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesNumber.swift
@@ -0,0 +1,54 @@
+//
+// AdditionalPropertiesNumber.swift
+//
+// Generated by openapi-generator
+// https://openapi-generator.tech
+//
+
+import Foundation
+import AnyCodable
+
+public struct AdditionalPropertiesNumber: Codable, Hashable {
+
+    public var name: String?
+
+    public init(name: String? = nil) {
+        self.name = name
+    }
+    public var additionalProperties: [String: Double] = [:]
+
+    public subscript(key: String) -> Double? {
+        get {
+            if let value = additionalProperties[key] {
+                return value
+            }
+            return nil
+        }
+
+        set {
+            additionalProperties[key] = newValue
+        }
+    }
+
+    // Encodable protocol methods
+
+    public func encode(to encoder: Encoder) throws {
+
+        var container = encoder.container(keyedBy: String.self)
+
+        try container.encodeIfPresent(name, forKey: "name")
+        try container.encodeMap(additionalProperties)
+    }
+
+    // Decodable protocol methods
+
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: String.self)
+
+        name = try container.decodeIfPresent(String.self, forKey: "name")
+        var nonAdditionalPropertyKeys = Set<String>()
+        nonAdditionalPropertyKeys.insert("name")
+        additionalProperties = try container.decodeMap(Double.self, excludedKeys: nonAdditionalPropertyKeys)
+    }
+
+}
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesObject.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesObject.swift
new file mode 100644
index 000000000000..a0fc35f621b3
--- /dev/null
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesObject.swift
@@ -0,0 +1,54 @@
+//
+// AdditionalPropertiesObject.swift
+//
+// Generated by openapi-generator
+// https://openapi-generator.tech
+//
+
+import Foundation
+import AnyCodable
+
+public struct AdditionalPropertiesObject: Codable, Hashable {
+
+    public var name: String?
+
+    public init(name: String? = nil) {
+        self.name = name
+    }
+    public var additionalProperties: [String: [String: AnyCodable]] = [:]
+
+    public subscript(key: String) -> [String: AnyCodable]? {
+        get {
+            if let value = additionalProperties[key] {
+                return value
+            }
+            return nil
+        }
+
+        set {
+            additionalProperties[key] = newValue
+        }
+    }
+
+    // Encodable protocol methods
+
+    public func encode(to encoder: Encoder) throws {
+
+        var container = encoder.container(keyedBy: String.self)
+
+        try container.encodeIfPresent(name, forKey: "name")
+        try container.encodeMap(additionalProperties)
+    }
+
+    // Decodable protocol methods
+
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: String.self)
+
+        name = try container.decodeIfPresent(String.self, forKey: "name")
+        var nonAdditionalPropertyKeys = Set<String>()
+        nonAdditionalPropertyKeys.insert("name")
+        additionalProperties = try container.decodeMap([String: AnyCodable].self, excludedKeys: nonAdditionalPropertyKeys)
+    }
+
+}
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesString.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesString.swift
new file mode 100644
index 000000000000..0719ce37c02f
--- /dev/null
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesString.swift
@@ -0,0 +1,54 @@
+//
+// AdditionalPropertiesString.swift
+//
+// Generated by openapi-generator
+// https://openapi-generator.tech
+//
+
+import Foundation
+import AnyCodable
+
+public struct AdditionalPropertiesString: Codable, Hashable {
+
+    public var name: String?
+
+    public init(name: String? = nil) {
+        self.name = name
+    }
+    public var additionalProperties: [String: String] = [:]
+
+    public subscript(key: String) -> String? {
+        get {
+            if let value = additionalProperties[key] {
+                return value
+            }
+            return nil
+        }
+
+        set {
+            additionalProperties[key] = newValue
+        }
+    }
+
+    // Encodable protocol methods
+
+    public func encode(to encoder: Encoder) throws {
+
+        var container = encoder.container(keyedBy: String.self)
+
+        try container.encodeIfPresent(name, forKey: "name")
+        try container.encodeMap(additionalProperties)
+    }
+
+    // Decodable protocol methods
+
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: String.self)
+
+        name = try container.decodeIfPresent(String.self, forKey: "name")
+        var nonAdditionalPropertyKeys = Set<String>()
+        nonAdditionalPropertyKeys.insert("name")
+        additionalProperties = try container.decodeMap(String.self, excludedKeys: nonAdditionalPropertyKeys)
+    }
+
+}
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
index e57c8b471765..74cb98156291 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Animal: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
index e09b0e9efdc8..b20b894a1adb 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
@@ -6,5 +6,6 @@
 //
 
 import Foundation
+import AnyCodable
 
 public typealias AnimalFarm = [Animal]
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
index 630992f6231e..f1c8bcecb7ce 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ApiResponse: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
index 4710793fc9a6..a324a85d46a1 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
index a41968d9b199..0c24cfde0ca3 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
index f442ea725451..00202431a97d 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/BigCat.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/BigCat.swift
new file mode 100644
index 000000000000..dd2a04f4d68a
--- /dev/null
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/BigCat.swift
@@ -0,0 +1,25 @@
+//
+// BigCat.swift
+//
+// Generated by openapi-generator
+// https://openapi-generator.tech
+//
+
+import Foundation
+import AnyCodable
+
+public struct BigCat: Codable, Hashable {
+
+    public enum Kind: String, Codable, CaseIterable {
+        case lions = "lions"
+        case tigers = "tigers"
+        case leopards = "leopards"
+        case jaguars = "jaguars"
+    }
+    public var kind: Kind?
+
+    public init(kind: Kind? = nil) {
+        self.kind = kind
+    }
+
+}
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/BigCatAllOf.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/BigCatAllOf.swift
new file mode 100644
index 000000000000..f68ef09c4a5b
--- /dev/null
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/BigCatAllOf.swift
@@ -0,0 +1,25 @@
+//
+// BigCatAllOf.swift
+//
+// Generated by openapi-generator
+// https://openapi-generator.tech
+//
+
+import Foundation
+import AnyCodable
+
+public struct BigCatAllOf: Codable, Hashable {
+
+    public enum Kind: String, Codable, CaseIterable {
+        case lions = "lions"
+        case tigers = "tigers"
+        case leopards = "leopards"
+        case jaguars = "jaguars"
+    }
+    public var kind: Kind?
+
+    public init(kind: Kind? = nil) {
+        self.kind = kind
+    }
+
+}
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
index 44b50bbe0063..914691c08492 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Capitalization: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
index c6bf4460da6e..878079f4255e 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Cat: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
index f9484f9bc8fd..9e824dce4d82 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct CatAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Category.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
index 6a19bb02d0df..22e0dbb91c20 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Category: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
index 5c8e8882831f..3915fc497b62 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model with \&quot;_class\&quot; property */
 public struct ClassModel: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Client.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
index 1464b047c06a..2ba76790800a 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Client: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
index 5aed7834d537..d350a1d0f17c 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Dog: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
index 716776261d30..b2b88b324638 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct DogAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
index aa13aa59f86a..6398a1361271 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumArrays: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
index d4029d73f8af..ab01cf297f8e 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum EnumClass: String, Codable, CaseIterable {
     case abc = "_abc"
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
index 8b62febdc959..ba813e27a597 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/File.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/File.swift
index aa14d762394d..38fcb14eba97 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/File.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/File.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Must be named &#x60;File&#x60; for test. */
 public struct File: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
index 85987709776e..daf953b587ab 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FileSchemaTestClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
index f09cb471b360..0ac1bf44fe7e 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FormatTest: Codable, Hashable {
 
@@ -22,8 +23,9 @@ public struct FormatTest: Codable, Hashable {
     public var dateTime: Date?
     public var uuid: UUID?
     public var password: String
+    public var bigDecimal: Decimal?
 
-    public init(integer: Int? = nil, int32: Int? = nil, int64: Int64? = nil, number: Double, float: Float? = nil, double: Double? = nil, string: String? = nil, byte: Data, binary: URL? = nil, date: Date, dateTime: Date? = nil, uuid: UUID? = nil, password: String) {
+    public init(integer: Int? = nil, int32: Int? = nil, int64: Int64? = nil, number: Double, float: Float? = nil, double: Double? = nil, string: String? = nil, byte: Data, binary: URL? = nil, date: Date, dateTime: Date? = nil, uuid: UUID? = nil, password: String, bigDecimal: Decimal? = nil) {
         self.integer = integer
         self.int32 = int32
         self.int64 = int64
@@ -37,6 +39,24 @@ public struct FormatTest: Codable, Hashable {
         self.dateTime = dateTime
         self.uuid = uuid
         self.password = password
+        self.bigDecimal = bigDecimal
+    }
+
+    public enum CodingKeys: String, CodingKey, CaseIterable {
+        case integer
+        case int32
+        case int64
+        case number
+        case float
+        case double
+        case string
+        case byte
+        case binary
+        case date
+        case dateTime
+        case uuid
+        case password
+        case bigDecimal = "BigDecimal"
     }
 
 }
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
index 03d35274a4ee..5c025f8ba16d 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct HasOnlyReadOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/List.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/List.swift
index f8f08e4c6c44..c20e683ee82e 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/List.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/List.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct List: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
index bd4e7b97e81b..d7dc8dce1af1 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MapTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
index 80c1781a2bfc..73fa72a0c541 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MixedPropertiesAndAdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
index d36d4e27352a..baf6ab8603c9 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name starting with number */
 public struct Model200Response: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Name.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
index 49cc57544179..44d61f95059b 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name same as property name */
 public struct Name: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
index 6b024294e288..2955c7100921 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct NumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Order.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
index 8ef7cb79e2c8..8e7ae039b621 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Order: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
index 9865764ff9bb..8d05ecbb528a 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct OuterComposite: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
index c3b778cbbed4..9bd6f3bef8f6 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum OuterEnum: String, Codable, CaseIterable {
     case placed = "placed"
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
index 1bc823d3e960..3f2cea8b6f0e 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Pet: Codable, Hashable {
 
@@ -17,12 +18,12 @@ public struct Pet: Codable, Hashable {
     public var id: Int64?
     public var category: Category?
     public var name: String
-    public var photoUrls: [String]
+    public var photoUrls: Set<String>
     public var tags: [Tag]?
     /** pet status in the store */
     public var status: Status?
 
-    public init(id: Int64? = nil, category: Category? = nil, name: String, photoUrls: [String], tags: [Tag]? = nil, status: Status? = nil) {
+    public init(id: Int64? = nil, category: Category? = nil, name: String, photoUrls: Set<String>, tags: [Tag]? = nil, status: Status? = nil) {
         self.id = id
         self.category = category
         self.name = name
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
index 03b5b0dbf02b..74ede03225be 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ReadOnlyFirst: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Return.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
index 5f539f461843..baf832a256b3 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing reserved words */
 public struct Return: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
index cb82d2ae3adc..7c3844e63389 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct SpecialModelName: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
index 77ab81f5f341..888865c1429d 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct StringBooleanMap: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
index 8b8e24fc39c0..dc95f0ba9d2d 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Tag: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
index f1920ef37788..2d3c016bf6a2 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderDefault: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
index 1a23c1b486b8..f295adf5cb5f 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
@@ -6,18 +6,21 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderExample: Codable, Hashable {
 
     public var stringItem: String
     public var numberItem: Double
+    public var floatItem: Float
     public var integerItem: Int
     public var boolItem: Bool
     public var arrayItem: [Int]
 
-    public init(stringItem: String, numberItem: Double, integerItem: Int, boolItem: Bool, arrayItem: [Int]) {
+    public init(stringItem: String, numberItem: Double, floatItem: Float, integerItem: Int, boolItem: Bool, arrayItem: [Int]) {
         self.stringItem = stringItem
         self.numberItem = numberItem
+        self.floatItem = floatItem
         self.integerItem = integerItem
         self.boolItem = boolItem
         self.arrayItem = arrayItem
@@ -26,6 +29,7 @@ public struct TypeHolderExample: Codable, Hashable {
     public enum CodingKeys: String, CodingKey, CaseIterable {
         case stringItem = "string_item"
         case numberItem = "number_item"
+        case floatItem = "float_item"
         case integerItem = "integer_item"
         case boolItem = "bool_item"
         case arrayItem = "array_item"
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/User.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/User.swift
index f3b4f6bb958a..af5b72010486 100644
--- a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/User.swift
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/User.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct User: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/XmlItem.swift b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/XmlItem.swift
new file mode 100644
index 000000000000..d3a7c37a7b2b
--- /dev/null
+++ b/samples/client/petstore/swift5/default/PetstoreClient/Classes/OpenAPIs/Models/XmlItem.swift
@@ -0,0 +1,107 @@
+//
+// XmlItem.swift
+//
+// Generated by openapi-generator
+// https://openapi-generator.tech
+//
+
+import Foundation
+import AnyCodable
+
+public struct XmlItem: Codable, Hashable {
+
+    public var attributeString: String?
+    public var attributeNumber: Double?
+    public var attributeInteger: Int?
+    public var attributeBoolean: Bool?
+    public var wrappedArray: [Int]?
+    public var nameString: String?
+    public var nameNumber: Double?
+    public var nameInteger: Int?
+    public var nameBoolean: Bool?
+    public var nameArray: [Int]?
+    public var nameWrappedArray: [Int]?
+    public var prefixString: String?
+    public var prefixNumber: Double?
+    public var prefixInteger: Int?
+    public var prefixBoolean: Bool?
+    public var prefixArray: [Int]?
+    public var prefixWrappedArray: [Int]?
+    public var namespaceString: String?
+    public var namespaceNumber: Double?
+    public var namespaceInteger: Int?
+    public var namespaceBoolean: Bool?
+    public var namespaceArray: [Int]?
+    public var namespaceWrappedArray: [Int]?
+    public var prefixNsString: String?
+    public var prefixNsNumber: Double?
+    public var prefixNsInteger: Int?
+    public var prefixNsBoolean: Bool?
+    public var prefixNsArray: [Int]?
+    public var prefixNsWrappedArray: [Int]?
+
+    public init(attributeString: String? = nil, attributeNumber: Double? = nil, attributeInteger: Int? = nil, attributeBoolean: Bool? = nil, wrappedArray: [Int]? = nil, nameString: String? = nil, nameNumber: Double? = nil, nameInteger: Int? = nil, nameBoolean: Bool? = nil, nameArray: [Int]? = nil, nameWrappedArray: [Int]? = nil, prefixString: String? = nil, prefixNumber: Double? = nil, prefixInteger: Int? = nil, prefixBoolean: Bool? = nil, prefixArray: [Int]? = nil, prefixWrappedArray: [Int]? = nil, namespaceString: String? = nil, namespaceNumber: Double? = nil, namespaceInteger: Int? = nil, namespaceBoolean: Bool? = nil, namespaceArray: [Int]? = nil, namespaceWrappedArray: [Int]? = nil, prefixNsString: String? = nil, prefixNsNumber: Double? = nil, prefixNsInteger: Int? = nil, prefixNsBoolean: Bool? = nil, prefixNsArray: [Int]? = nil, prefixNsWrappedArray: [Int]? = nil) {
+        self.attributeString = attributeString
+        self.attributeNumber = attributeNumber
+        self.attributeInteger = attributeInteger
+        self.attributeBoolean = attributeBoolean
+        self.wrappedArray = wrappedArray
+        self.nameString = nameString
+        self.nameNumber = nameNumber
+        self.nameInteger = nameInteger
+        self.nameBoolean = nameBoolean
+        self.nameArray = nameArray
+        self.nameWrappedArray = nameWrappedArray
+        self.prefixString = prefixString
+        self.prefixNumber = prefixNumber
+        self.prefixInteger = prefixInteger
+        self.prefixBoolean = prefixBoolean
+        self.prefixArray = prefixArray
+        self.prefixWrappedArray = prefixWrappedArray
+        self.namespaceString = namespaceString
+        self.namespaceNumber = namespaceNumber
+        self.namespaceInteger = namespaceInteger
+        self.namespaceBoolean = namespaceBoolean
+        self.namespaceArray = namespaceArray
+        self.namespaceWrappedArray = namespaceWrappedArray
+        self.prefixNsString = prefixNsString
+        self.prefixNsNumber = prefixNsNumber
+        self.prefixNsInteger = prefixNsInteger
+        self.prefixNsBoolean = prefixNsBoolean
+        self.prefixNsArray = prefixNsArray
+        self.prefixNsWrappedArray = prefixNsWrappedArray
+    }
+
+    public enum CodingKeys: String, CodingKey, CaseIterable {
+        case attributeString = "attribute_string"
+        case attributeNumber = "attribute_number"
+        case attributeInteger = "attribute_integer"
+        case attributeBoolean = "attribute_boolean"
+        case wrappedArray = "wrapped_array"
+        case nameString = "name_string"
+        case nameNumber = "name_number"
+        case nameInteger = "name_integer"
+        case nameBoolean = "name_boolean"
+        case nameArray = "name_array"
+        case nameWrappedArray = "name_wrapped_array"
+        case prefixString = "prefix_string"
+        case prefixNumber = "prefix_number"
+        case prefixInteger = "prefix_integer"
+        case prefixBoolean = "prefix_boolean"
+        case prefixArray = "prefix_array"
+        case prefixWrappedArray = "prefix_wrapped_array"
+        case namespaceString = "namespace_string"
+        case namespaceNumber = "namespace_number"
+        case namespaceInteger = "namespace_integer"
+        case namespaceBoolean = "namespace_boolean"
+        case namespaceArray = "namespace_array"
+        case namespaceWrappedArray = "namespace_wrapped_array"
+        case prefixNsString = "prefix_ns_string"
+        case prefixNsNumber = "prefix_ns_number"
+        case prefixNsInteger = "prefix_ns_integer"
+        case prefixNsBoolean = "prefix_ns_boolean"
+        case prefixNsArray = "prefix_ns_array"
+        case prefixNsWrappedArray = "prefix_ns_wrapped_array"
+    }
+
+}
diff --git a/samples/client/petstore/swift5/default/README.md b/samples/client/petstore/swift5/default/README.md
index 1725415f7e04..a8c7405dd3eb 100644
--- a/samples/client/petstore/swift5/default/README.md
+++ b/samples/client/petstore/swift5/default/README.md
@@ -26,6 +26,7 @@ All URIs are relative to *http://petstore.swagger.io:80/v2*
 Class | Method | HTTP request | Description
 ------------ | ------------- | ------------- | -------------
 *AnotherFakeAPI* | [**call123testSpecialTags**](docs/AnotherFakeAPI.md#call123testspecialtags) | **PATCH** /another-fake/dummy | To test special tags
+*FakeAPI* | [**createXmlItem**](docs/FakeAPI.md#createxmlitem) | **POST** /fake/create_xml_item | creates an XmlItem
 *FakeAPI* | [**fakeOuterBooleanSerialize**](docs/FakeAPI.md#fakeouterbooleanserialize) | **POST** /fake/outer/boolean | 
 *FakeAPI* | [**fakeOuterCompositeSerialize**](docs/FakeAPI.md#fakeoutercompositeserialize) | **POST** /fake/outer/composite | 
 *FakeAPI* | [**fakeOuterNumberSerialize**](docs/FakeAPI.md#fakeouternumberserialize) | **POST** /fake/outer/number | 
@@ -38,6 +39,7 @@ Class | Method | HTTP request | Description
 *FakeAPI* | [**testGroupParameters**](docs/FakeAPI.md#testgroupparameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 *FakeAPI* | [**testInlineAdditionalProperties**](docs/FakeAPI.md#testinlineadditionalproperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 *FakeAPI* | [**testJsonFormData**](docs/FakeAPI.md#testjsonformdata) | **GET** /fake/jsonFormData | test json serialization of form data
+*FakeAPI* | [**testQueryParameterCollectionFormat**](docs/FakeAPI.md#testqueryparametercollectionformat) | **PUT** /fake/test-query-paramters | 
 *FakeClassnameTags123API* | [**testClassname**](docs/FakeClassnameTags123API.md#testclassname) | **PATCH** /fake_classname_test | To test class name in snake case
 *PetAPI* | [**addPet**](docs/PetAPI.md#addpet) | **POST** /pet | Add a new pet to the store
 *PetAPI* | [**deletePet**](docs/PetAPI.md#deletepet) | **DELETE** /pet/{petId} | Deletes a pet
@@ -64,13 +66,22 @@ Class | Method | HTTP request | Description
 
 ## Documentation For Models
 
+ - [AdditionalPropertiesAnyType](docs/AdditionalPropertiesAnyType.md)
+ - [AdditionalPropertiesArray](docs/AdditionalPropertiesArray.md)
+ - [AdditionalPropertiesBoolean](docs/AdditionalPropertiesBoolean.md)
  - [AdditionalPropertiesClass](docs/AdditionalPropertiesClass.md)
+ - [AdditionalPropertiesInteger](docs/AdditionalPropertiesInteger.md)
+ - [AdditionalPropertiesNumber](docs/AdditionalPropertiesNumber.md)
+ - [AdditionalPropertiesObject](docs/AdditionalPropertiesObject.md)
+ - [AdditionalPropertiesString](docs/AdditionalPropertiesString.md)
  - [Animal](docs/Animal.md)
  - [AnimalFarm](docs/AnimalFarm.md)
  - [ApiResponse](docs/ApiResponse.md)
  - [ArrayOfArrayOfNumberOnly](docs/ArrayOfArrayOfNumberOnly.md)
  - [ArrayOfNumberOnly](docs/ArrayOfNumberOnly.md)
  - [ArrayTest](docs/ArrayTest.md)
+ - [BigCat](docs/BigCat.md)
+ - [BigCatAllOf](docs/BigCatAllOf.md)
  - [Capitalization](docs/Capitalization.md)
  - [Cat](docs/Cat.md)
  - [CatAllOf](docs/CatAllOf.md)
@@ -104,6 +115,7 @@ Class | Method | HTTP request | Description
  - [TypeHolderDefault](docs/TypeHolderDefault.md)
  - [TypeHolderExample](docs/TypeHolderExample.md)
  - [User](docs/User.md)
+ - [XmlItem](docs/XmlItem.md)
 
 
 ## Documentation For Authorization
diff --git a/samples/client/petstore/swift5/default/docs/AdditionalPropertiesAnyType.md b/samples/client/petstore/swift5/default/docs/AdditionalPropertiesAnyType.md
new file mode 100644
index 000000000000..bae60ab148f2
--- /dev/null
+++ b/samples/client/petstore/swift5/default/docs/AdditionalPropertiesAnyType.md
@@ -0,0 +1,10 @@
+# AdditionalPropertiesAnyType
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**name** | **String** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+
diff --git a/samples/client/petstore/swift5/default/docs/AdditionalPropertiesArray.md b/samples/client/petstore/swift5/default/docs/AdditionalPropertiesArray.md
new file mode 100644
index 000000000000..a371b5e28f32
--- /dev/null
+++ b/samples/client/petstore/swift5/default/docs/AdditionalPropertiesArray.md
@@ -0,0 +1,10 @@
+# AdditionalPropertiesArray
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**name** | **String** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+
diff --git a/samples/client/petstore/swift5/default/docs/AdditionalPropertiesBoolean.md b/samples/client/petstore/swift5/default/docs/AdditionalPropertiesBoolean.md
new file mode 100644
index 000000000000..d5f0d6da11ee
--- /dev/null
+++ b/samples/client/petstore/swift5/default/docs/AdditionalPropertiesBoolean.md
@@ -0,0 +1,10 @@
+# AdditionalPropertiesBoolean
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**name** | **String** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+
diff --git a/samples/client/petstore/swift5/default/docs/AdditionalPropertiesClass.md b/samples/client/petstore/swift5/default/docs/AdditionalPropertiesClass.md
index 1f222244134e..1cffcdd84841 100644
--- a/samples/client/petstore/swift5/default/docs/AdditionalPropertiesClass.md
+++ b/samples/client/petstore/swift5/default/docs/AdditionalPropertiesClass.md
@@ -4,7 +4,16 @@
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **mapString** | **[String: String]** |  | [optional] 
+**mapNumber** | **[String: Double]** |  | [optional] 
+**mapInteger** | **[String: Int]** |  | [optional] 
+**mapBoolean** | **[String: Bool]** |  | [optional] 
+**mapArrayInteger** | [String: [Int]] |  | [optional] 
+**mapArrayAnytype** | [String: [AnyCodable]] |  | [optional] 
 **mapMapString** | [String: [String: String]] |  | [optional] 
+**mapMapAnytype** | [String: [String: AnyCodable]] |  | [optional] 
+**anytype1** | [**AnyCodable**](.md) |  | [optional] 
+**anytype2** | [**AnyCodable**](.md) |  | [optional] 
+**anytype3** | [**AnyCodable**](.md) |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
 
diff --git a/samples/client/petstore/swift5/default/docs/AdditionalPropertiesInteger.md b/samples/client/petstore/swift5/default/docs/AdditionalPropertiesInteger.md
new file mode 100644
index 000000000000..629293abdfe9
--- /dev/null
+++ b/samples/client/petstore/swift5/default/docs/AdditionalPropertiesInteger.md
@@ -0,0 +1,10 @@
+# AdditionalPropertiesInteger
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**name** | **String** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+
diff --git a/samples/client/petstore/swift5/default/docs/AdditionalPropertiesNumber.md b/samples/client/petstore/swift5/default/docs/AdditionalPropertiesNumber.md
new file mode 100644
index 000000000000..65adfe78137c
--- /dev/null
+++ b/samples/client/petstore/swift5/default/docs/AdditionalPropertiesNumber.md
@@ -0,0 +1,10 @@
+# AdditionalPropertiesNumber
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**name** | **String** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+
diff --git a/samples/client/petstore/swift5/default/docs/AdditionalPropertiesObject.md b/samples/client/petstore/swift5/default/docs/AdditionalPropertiesObject.md
new file mode 100644
index 000000000000..99d69b7aae6a
--- /dev/null
+++ b/samples/client/petstore/swift5/default/docs/AdditionalPropertiesObject.md
@@ -0,0 +1,10 @@
+# AdditionalPropertiesObject
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**name** | **String** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+
diff --git a/samples/client/petstore/swift5/default/docs/AdditionalPropertiesString.md b/samples/client/petstore/swift5/default/docs/AdditionalPropertiesString.md
new file mode 100644
index 000000000000..5bb8122887c4
--- /dev/null
+++ b/samples/client/petstore/swift5/default/docs/AdditionalPropertiesString.md
@@ -0,0 +1,10 @@
+# AdditionalPropertiesString
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**name** | **String** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+
diff --git a/samples/client/petstore/swift5/default/docs/BigCat.md b/samples/client/petstore/swift5/default/docs/BigCat.md
new file mode 100644
index 000000000000..cd904c7381a2
--- /dev/null
+++ b/samples/client/petstore/swift5/default/docs/BigCat.md
@@ -0,0 +1,10 @@
+# BigCat
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**kind** | **String** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+
diff --git a/samples/client/petstore/swift5/default/docs/BigCatAllOf.md b/samples/client/petstore/swift5/default/docs/BigCatAllOf.md
new file mode 100644
index 000000000000..20da4caf5d01
--- /dev/null
+++ b/samples/client/petstore/swift5/default/docs/BigCatAllOf.md
@@ -0,0 +1,10 @@
+# BigCatAllOf
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**kind** | **String** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+
diff --git a/samples/client/petstore/swift5/default/docs/FakeAPI.md b/samples/client/petstore/swift5/default/docs/FakeAPI.md
index 543869c0d2e0..46599ecd3b12 100644
--- a/samples/client/petstore/swift5/default/docs/FakeAPI.md
+++ b/samples/client/petstore/swift5/default/docs/FakeAPI.md
@@ -4,6 +4,7 @@ All URIs are relative to *http://petstore.swagger.io:80/v2*
 
 Method | HTTP request | Description
 ------------- | ------------- | -------------
+[**createXmlItem**](FakeAPI.md#createxmlitem) | **POST** /fake/create_xml_item | creates an XmlItem
 [**fakeOuterBooleanSerialize**](FakeAPI.md#fakeouterbooleanserialize) | **POST** /fake/outer/boolean | 
 [**fakeOuterCompositeSerialize**](FakeAPI.md#fakeoutercompositeserialize) | **POST** /fake/outer/composite | 
 [**fakeOuterNumberSerialize**](FakeAPI.md#fakeouternumberserialize) | **POST** /fake/outer/number | 
@@ -16,8 +17,59 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeAPI.md#testgroupparameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeAPI.md#testinlineadditionalproperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeAPI.md#testjsonformdata) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeAPI.md#testqueryparametercollectionformat) | **PUT** /fake/test-query-paramters | 
 
 
+# **createXmlItem**
+```swift
+    open class func createXmlItem(xmlItem: XmlItem, completion: @escaping (_ data: Void?, _ error: Error?) -> Void)
+```
+
+creates an XmlItem
+
+this route creates an XmlItem
+
+### Example 
+```swift
+// The following code samples are still beta. For any issue, please report via http://github.com/OpenAPITools/openapi-generator/issues/new
+import PetstoreClient
+
+let xmlItem = XmlItem(attributeString: "attributeString_example", attributeNumber: 123, attributeInteger: 123, attributeBoolean: true, wrappedArray: [123], nameString: "nameString_example", nameNumber: 123, nameInteger: 123, nameBoolean: true, nameArray: [123], nameWrappedArray: [123], prefixString: "prefixString_example", prefixNumber: 123, prefixInteger: 123, prefixBoolean: true, prefixArray: [123], prefixWrappedArray: [123], namespaceString: "namespaceString_example", namespaceNumber: 123, namespaceInteger: 123, namespaceBoolean: true, namespaceArray: [123], namespaceWrappedArray: [123], prefixNsString: "prefixNsString_example", prefixNsNumber: 123, prefixNsInteger: 123, prefixNsBoolean: true, prefixNsArray: [123], prefixNsWrappedArray: [123]) // XmlItem | XmlItem Body
+
+// creates an XmlItem
+FakeAPI.createXmlItem(xmlItem: xmlItem) { (response, error) in
+    guard error == nil else {
+        print(error)
+        return
+    }
+
+    if (response) {
+        dump(response)
+    }
+}
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **xmlItem** | [**XmlItem**](XmlItem.md) | XmlItem Body | 
+
+### Return type
+
+Void (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: application/xml, application/xml; charset=utf-8, application/xml; charset=utf-16, text/xml, text/xml; charset=utf-8, text/xml; charset=utf-16
+ - **Accept**: Not defined
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
 # **fakeOuterBooleanSerialize**
 ```swift
     open class func fakeOuterBooleanSerialize(body: Bool? = nil, completion: @escaping (_ data: Bool?, _ error: Error?) -> Void)
@@ -660,3 +712,60 @@ No authorization required
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
+# **testQueryParameterCollectionFormat**
+```swift
+    open class func testQueryParameterCollectionFormat(pipe: [String], ioutil: [String], http: [String], url: [String], context: [String], completion: @escaping (_ data: Void?, _ error: Error?) -> Void)
+```
+
+
+
+To test the collection format in query parameters
+
+### Example 
+```swift
+// The following code samples are still beta. For any issue, please report via http://github.com/OpenAPITools/openapi-generator/issues/new
+import PetstoreClient
+
+let pipe = ["inner_example"] // [String] | 
+let ioutil = ["inner_example"] // [String] | 
+let http = ["inner_example"] // [String] | 
+let url = ["inner_example"] // [String] | 
+let context = ["inner_example"] // [String] | 
+
+FakeAPI.testQueryParameterCollectionFormat(pipe: pipe, ioutil: ioutil, http: http, url: url, context: context) { (response, error) in
+    guard error == nil else {
+        print(error)
+        return
+    }
+
+    if (response) {
+        dump(response)
+    }
+}
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**[String]**](String.md) |  | 
+ **ioutil** | [**[String]**](String.md) |  | 
+ **http** | [**[String]**](String.md) |  | 
+ **url** | [**[String]**](String.md) |  | 
+ **context** | [**[String]**](String.md) |  | 
+
+### Return type
+
+Void (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: Not defined
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
diff --git a/samples/client/petstore/swift5/default/docs/FormatTest.md b/samples/client/petstore/swift5/default/docs/FormatTest.md
index f74d94f6c46a..55de2e05ecd9 100644
--- a/samples/client/petstore/swift5/default/docs/FormatTest.md
+++ b/samples/client/petstore/swift5/default/docs/FormatTest.md
@@ -16,6 +16,7 @@ Name | Type | Description | Notes
 **dateTime** | **Date** |  | [optional] 
 **uuid** | **UUID** |  | [optional] 
 **password** | **String** |  | 
+**bigDecimal** | **Decimal** |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
 
diff --git a/samples/client/petstore/swift5/default/docs/Pet.md b/samples/client/petstore/swift5/default/docs/Pet.md
index 5c05f98fad4a..36e8e4884394 100644
--- a/samples/client/petstore/swift5/default/docs/Pet.md
+++ b/samples/client/petstore/swift5/default/docs/Pet.md
@@ -6,7 +6,7 @@ Name | Type | Description | Notes
 **id** | **Int64** |  | [optional] 
 **category** | [**Category**](Category.md) |  | [optional] 
 **name** | **String** |  | 
-**photoUrls** | **[String]** |  | 
+**photoUrls** | **Set<String>** |  | 
 **tags** | [Tag] |  | [optional] 
 **status** | **String** | pet status in the store | [optional] 
 
diff --git a/samples/client/petstore/swift5/default/docs/PetAPI.md b/samples/client/petstore/swift5/default/docs/PetAPI.md
index 27efe0833476..1daf96285825 100644
--- a/samples/client/petstore/swift5/default/docs/PetAPI.md
+++ b/samples/client/petstore/swift5/default/docs/PetAPI.md
@@ -165,7 +165,7 @@ Name | Type | Description  | Notes
 
 # **findPetsByTags**
 ```swift
-    open class func findPetsByTags(tags: [String], completion: @escaping (_ data: [Pet]?, _ error: Error?) -> Void)
+    open class func findPetsByTags(tags: Set<String>, completion: @escaping (_ data: Set<Pet>?, _ error: Error?) -> Void)
 ```
 
 Finds Pets by tags
@@ -177,7 +177,7 @@ Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3
 // The following code samples are still beta. For any issue, please report via http://github.com/OpenAPITools/openapi-generator/issues/new
 import PetstoreClient
 
-let tags = ["inner_example"] // [String] | Tags to filter by
+let tags = ["inner_example"] // Set<String> | Tags to filter by
 
 // Finds Pets by tags
 PetAPI.findPetsByTags(tags: tags) { (response, error) in
@@ -196,11 +196,11 @@ PetAPI.findPetsByTags(tags: tags) { (response, error) in
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **tags** | [**[String]**](String.md) | Tags to filter by | 
+ **tags** | [**Set&lt;String&gt;**](String.md) | Tags to filter by | 
 
 ### Return type
 
-[**[Pet]**](Pet.md)
+[**Set<Pet>**](Pet.md)
 
 ### Authorization
 
diff --git a/samples/client/petstore/swift5/default/docs/TypeHolderExample.md b/samples/client/petstore/swift5/default/docs/TypeHolderExample.md
index 46d0471cd71a..c0530dc0e5b6 100644
--- a/samples/client/petstore/swift5/default/docs/TypeHolderExample.md
+++ b/samples/client/petstore/swift5/default/docs/TypeHolderExample.md
@@ -5,6 +5,7 @@ Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **stringItem** | **String** |  | 
 **numberItem** | **Double** |  | 
+**floatItem** | **Float** |  | 
 **integerItem** | **Int** |  | 
 **boolItem** | **Bool** |  | 
 **arrayItem** | **[Int]** |  | 
diff --git a/samples/client/petstore/swift5/default/docs/XmlItem.md b/samples/client/petstore/swift5/default/docs/XmlItem.md
new file mode 100644
index 000000000000..1a4eb4e9c836
--- /dev/null
+++ b/samples/client/petstore/swift5/default/docs/XmlItem.md
@@ -0,0 +1,38 @@
+# XmlItem
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**attributeString** | **String** |  | [optional] 
+**attributeNumber** | **Double** |  | [optional] 
+**attributeInteger** | **Int** |  | [optional] 
+**attributeBoolean** | **Bool** |  | [optional] 
+**wrappedArray** | **[Int]** |  | [optional] 
+**nameString** | **String** |  | [optional] 
+**nameNumber** | **Double** |  | [optional] 
+**nameInteger** | **Int** |  | [optional] 
+**nameBoolean** | **Bool** |  | [optional] 
+**nameArray** | **[Int]** |  | [optional] 
+**nameWrappedArray** | **[Int]** |  | [optional] 
+**prefixString** | **String** |  | [optional] 
+**prefixNumber** | **Double** |  | [optional] 
+**prefixInteger** | **Int** |  | [optional] 
+**prefixBoolean** | **Bool** |  | [optional] 
+**prefixArray** | **[Int]** |  | [optional] 
+**prefixWrappedArray** | **[Int]** |  | [optional] 
+**namespaceString** | **String** |  | [optional] 
+**namespaceNumber** | **Double** |  | [optional] 
+**namespaceInteger** | **Int** |  | [optional] 
+**namespaceBoolean** | **Bool** |  | [optional] 
+**namespaceArray** | **[Int]** |  | [optional] 
+**namespaceWrappedArray** | **[Int]** |  | [optional] 
+**prefixNsString** | **String** |  | [optional] 
+**prefixNsNumber** | **Double** |  | [optional] 
+**prefixNsInteger** | **Int** |  | [optional] 
+**prefixNsBoolean** | **Bool** |  | [optional] 
+**prefixNsArray** | **[Int]** |  | [optional] 
+**prefixNsWrappedArray** | **[Int]** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+
diff --git a/samples/client/petstore/swift5/default/project.yml b/samples/client/petstore/swift5/default/project.yml
index 8e7102001b8d..5528eeee5135 100644
--- a/samples/client/petstore/swift5/default/project.yml
+++ b/samples/client/petstore/swift5/default/project.yml
@@ -12,3 +12,4 @@ targets:
       APPLICATION_EXTENSION_API_ONLY: true
     scheme: {}
     
+    - carthage: AnyCodable
diff --git a/samples/client/petstore/swift5/deprecated/Cartfile b/samples/client/petstore/swift5/deprecated/Cartfile
index 8b137891791f..84aaa61ef2d3 100644
--- a/samples/client/petstore/swift5/deprecated/Cartfile
+++ b/samples/client/petstore/swift5/deprecated/Cartfile
@@ -1 +1,2 @@
 
+github "Flight-School/AnyCodable" ~> 0.4.0
diff --git a/samples/client/petstore/swift5/deprecated/Package.swift b/samples/client/petstore/swift5/deprecated/Package.swift
index b7fe4734aa8a..b724838fe8d3 100644
--- a/samples/client/petstore/swift5/deprecated/Package.swift
+++ b/samples/client/petstore/swift5/deprecated/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.0
+// swift-tools-version:5.1
 
 import PackageDescription
 
@@ -19,13 +19,14 @@ let package = Package(
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
+        .package(url: "https://github.com/Flight-School/AnyCodable", .exact("0.4.0")),
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.
         // Targets can depend on other targets in this package, and on products in packages which this package depends on.
         .target(
             name: "PetstoreClient",
-            dependencies: [],
+            dependencies: ["AnyCodable", ],
             path: "PetstoreClient/Classes"
         ),
     ]
diff --git a/samples/client/petstore/swift5/deprecated/PetstoreClient.podspec b/samples/client/petstore/swift5/deprecated/PetstoreClient.podspec
index b61285f6b25e..de06558efbdb 100644
--- a/samples/client/petstore/swift5/deprecated/PetstoreClient.podspec
+++ b/samples/client/petstore/swift5/deprecated/PetstoreClient.podspec
@@ -11,4 +11,5 @@ Pod::Spec.new do |s|
   s.homepage = 'https://github.com/openapitools/openapi-generator'
   s.summary = 'PetstoreClient'
   s.source_files = 'PetstoreClient/Classes/**/*.swift'
+  s.dependency 'AnyCodable-FlightSchool', '~> 0.4.0'
 end
diff --git a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
index f46c7ac57ea3..10fd471343e7 100644
--- a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
+++ b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
@@ -40,7 +40,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: pet)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -50,7 +50,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -90,7 +90,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "api_key": apiKey?.encodeToJSON(),
@@ -100,7 +100,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -145,8 +145,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "status": status.encodeToJSON(),
         ])
 
@@ -158,7 +158,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -196,8 +196,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "tags": tags.encodeToJSON(),
         ])
 
@@ -209,7 +209,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -248,7 +248,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -258,7 +258,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Pet>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -293,7 +293,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: pet)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -303,7 +303,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -351,7 +351,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -361,7 +361,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -409,7 +409,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -419,7 +419,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
index c34e83325514..48b322233343 100644
--- a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
+++ b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
@@ -41,7 +41,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -85,7 +85,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -95,7 +95,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<[String: Int]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -131,7 +131,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -141,7 +141,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -173,7 +173,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: order)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -183,7 +183,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
index 255ffb0cb55b..b35fc94ae58d 100644
--- a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
+++ b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
@@ -41,7 +41,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: user)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -86,7 +86,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: user)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -96,7 +96,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -131,7 +131,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: user)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -141,7 +141,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -180,7 +180,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -190,7 +190,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -225,7 +225,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -235,7 +235,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<User>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -270,8 +270,8 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "username": username.encodeToJSON(),
             "password": password.encodeToJSON(),
         ])
@@ -284,7 +284,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -317,7 +317,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -327,7 +327,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -368,7 +368,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: user)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -378,7 +378,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Extensions.swift b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Extensions.swift
index 93ed6b90b376..3aef2d1d6c54 100644
--- a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Extensions.swift
+++ b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Extensions.swift
@@ -5,6 +5,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 extension Bool: JSONEncodable {
     func encodeToJSON() -> Any { return self as Any }
@@ -52,6 +53,12 @@ extension Array: JSONEncodable {
     }
 }
 
+extension Set: JSONEncodable {
+    func encodeToJSON() -> Any {
+        return Array(self).encodeToJSON()
+    }
+}
+
 extension Dictionary: JSONEncodable {
     func encodeToJSON() -> Any {
         var dictionary = [AnyHashable: Any]()
@@ -177,3 +184,44 @@ extension HTTPURLResponse {
         return Array(200 ..< 300).contains(statusCode)
     }
 }
+
+extension AnyCodable: Hashable {
+    public func hash(into hasher: inout Hasher) {
+        switch value {
+        case let value as Bool:
+            hasher.combine(value)
+        case let value as Int:
+            hasher.combine(value)
+        case let value as Int8:
+            hasher.combine(value)
+        case let value as Int16:
+            hasher.combine(value)
+        case let value as Int32:
+            hasher.combine(value)
+        case let value as Int64:
+            hasher.combine(value)
+        case let value as UInt:
+            hasher.combine(value)
+        case let value as UInt8:
+            hasher.combine(value)
+        case let value as UInt16:
+            hasher.combine(value)
+        case let value as UInt32:
+            hasher.combine(value)
+        case let value as UInt64:
+            hasher.combine(value)
+        case let value as Float:
+            hasher.combine(value)
+        case let value as Double:
+            hasher.combine(value)
+        case let value as String:
+            hasher.combine(value)
+        case let value as [String: AnyCodable]:
+            hasher.combine(value)
+        case let value as [AnyCodable]:
+            hasher.combine(value)
+        default:
+            hasher.combine(0)
+        }
+    }
+}
\ No newline at end of file
diff --git a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
index c8058e8db2a4..b85239c1858e 100644
--- a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
+++ b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Describes the result of uploading an image resource */
 public struct ApiResponse: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/Category.swift b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
index bbf2ef73f2cb..2135c690d61c 100644
--- a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
+++ b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** A category for a pet */
 public struct Category: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/Order.swift b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
index 4401234cb337..8aaab63b15e7 100644
--- a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
+++ b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** An order for a pets from the pet store */
 @available(*, deprecated, message: "This schema is deprecated.")
diff --git a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
index ab283fe48852..f7f92420b26c 100644
--- a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
+++ b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** A pet for sale in the pet store */
 public struct Pet: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
index a3a488b13f63..cb4159fa4597 100644
--- a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
+++ b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** A tag for a pet */
 public struct Tag: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/User.swift b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/User.swift
index 566bb545dbf9..0f94964e8493 100644
--- a/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/User.swift
+++ b/samples/client/petstore/swift5/deprecated/PetstoreClient/Classes/OpenAPIs/Models/User.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** A User who is purchasing from the pet store */
 public struct User: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/deprecated/project.yml b/samples/client/petstore/swift5/deprecated/project.yml
index 8e7102001b8d..5528eeee5135 100644
--- a/samples/client/petstore/swift5/deprecated/project.yml
+++ b/samples/client/petstore/swift5/deprecated/project.yml
@@ -12,3 +12,4 @@ targets:
       APPLICATION_EXTENSION_API_ONLY: true
     scheme: {}
     
+    - carthage: AnyCodable
diff --git a/samples/client/petstore/swift5/nonPublicApi/Cartfile b/samples/client/petstore/swift5/nonPublicApi/Cartfile
index 8b137891791f..84aaa61ef2d3 100644
--- a/samples/client/petstore/swift5/nonPublicApi/Cartfile
+++ b/samples/client/petstore/swift5/nonPublicApi/Cartfile
@@ -1 +1,2 @@
 
+github "Flight-School/AnyCodable" ~> 0.4.0
diff --git a/samples/client/petstore/swift5/nonPublicApi/Package.swift b/samples/client/petstore/swift5/nonPublicApi/Package.swift
index b7fe4734aa8a..b724838fe8d3 100644
--- a/samples/client/petstore/swift5/nonPublicApi/Package.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.0
+// swift-tools-version:5.1
 
 import PackageDescription
 
@@ -19,13 +19,14 @@ let package = Package(
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
+        .package(url: "https://github.com/Flight-School/AnyCodable", .exact("0.4.0")),
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.
         // Targets can depend on other targets in this package, and on products in packages which this package depends on.
         .target(
             name: "PetstoreClient",
-            dependencies: [],
+            dependencies: ["AnyCodable", ],
             path: "PetstoreClient/Classes"
         ),
     ]
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient.podspec b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient.podspec
index b61285f6b25e..de06558efbdb 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient.podspec
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient.podspec
@@ -11,4 +11,5 @@ Pod::Spec.new do |s|
   s.homepage = 'https://github.com/openapitools/openapi-generator'
   s.summary = 'PetstoreClient'
   s.source_files = 'PetstoreClient/Classes/**/*.swift'
+  s.dependency 'AnyCodable-FlightSchool', '~> 0.4.0'
 end
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
index 537dacc4c1af..18a502d453b8 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
@@ -38,7 +38,7 @@ internal class AnotherFakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -48,7 +48,7 @@ internal class AnotherFakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
index 03fd8a8ca150..99317dab5072 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
@@ -36,7 +36,7 @@ internal class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -46,7 +46,7 @@ internal class FakeAPI {
 
         let requestBuilder: RequestBuilder<Bool>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -77,7 +77,7 @@ internal class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -87,7 +87,7 @@ internal class FakeAPI {
 
         let requestBuilder: RequestBuilder<OuterComposite>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -118,7 +118,7 @@ internal class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -128,7 +128,7 @@ internal class FakeAPI {
 
         let requestBuilder: RequestBuilder<Double>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -159,7 +159,7 @@ internal class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -169,7 +169,7 @@ internal class FakeAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -200,7 +200,7 @@ internal class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -210,7 +210,7 @@ internal class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -242,8 +242,8 @@ internal class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "query": query.encodeToJSON(),
         ])
 
@@ -255,7 +255,7 @@ internal class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -288,7 +288,7 @@ internal class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -298,7 +298,7 @@ internal class FakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -378,7 +378,7 @@ internal class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -388,7 +388,7 @@ internal class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -508,8 +508,8 @@ internal class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "enum_query_string_array": enumQueryStringArray?.encodeToJSON(),
             "enum_query_string": enumQueryString?.encodeToJSON(),
             "enum_query_integer": enumQueryInteger?.encodeToJSON(),
@@ -526,7 +526,7 @@ internal class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -569,8 +569,8 @@ internal class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "required_string_group": requiredStringGroup.encodeToJSON(),
             "required_int64_group": requiredInt64Group.encodeToJSON(),
             "string_group": stringGroup?.encodeToJSON(),
@@ -586,7 +586,7 @@ internal class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -618,7 +618,7 @@ internal class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: param)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -628,7 +628,7 @@ internal class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -668,7 +668,7 @@ internal class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -678,7 +678,7 @@ internal class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
index 76f1b99ed1c9..5a85c1b29296 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
@@ -41,7 +41,7 @@ internal class FakeClassnameTags123API {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ internal class FakeClassnameTags123API {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
index 658ef61ddc07..ab2066aa50c8 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
@@ -40,7 +40,7 @@ internal class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -50,7 +50,7 @@ internal class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -90,7 +90,7 @@ internal class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "api_key": apiKey?.encodeToJSON(),
@@ -100,7 +100,7 @@ internal class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -145,8 +145,8 @@ internal class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "status": status.encodeToJSON(),
         ])
 
@@ -158,7 +158,7 @@ internal class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -196,8 +196,8 @@ internal class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "tags": tags.encodeToJSON(),
         ])
 
@@ -209,7 +209,7 @@ internal class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -248,7 +248,7 @@ internal class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -258,7 +258,7 @@ internal class PetAPI {
 
         let requestBuilder: RequestBuilder<Pet>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -293,7 +293,7 @@ internal class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -303,7 +303,7 @@ internal class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -351,7 +351,7 @@ internal class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -361,7 +361,7 @@ internal class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -409,7 +409,7 @@ internal class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -419,7 +419,7 @@ internal class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -467,7 +467,7 @@ internal class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -477,7 +477,7 @@ internal class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
index 3f0f902ccd87..49812742b01d 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
@@ -41,7 +41,7 @@ internal class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ internal class StoreAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -85,7 +85,7 @@ internal class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -95,7 +95,7 @@ internal class StoreAPI {
 
         let requestBuilder: RequestBuilder<[String: Int]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -131,7 +131,7 @@ internal class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -141,7 +141,7 @@ internal class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -173,7 +173,7 @@ internal class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -183,7 +183,7 @@ internal class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
index f4a787ff486c..2a1babfaa48f 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
@@ -38,7 +38,7 @@ internal class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -48,7 +48,7 @@ internal class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -80,7 +80,7 @@ internal class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -90,7 +90,7 @@ internal class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -122,7 +122,7 @@ internal class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -132,7 +132,7 @@ internal class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -168,7 +168,7 @@ internal class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -178,7 +178,7 @@ internal class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -213,7 +213,7 @@ internal class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -223,7 +223,7 @@ internal class UserAPI {
 
         let requestBuilder: RequestBuilder<User>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -258,8 +258,8 @@ internal class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "username": username.encodeToJSON(),
             "password": password.encodeToJSON(),
         ])
@@ -272,7 +272,7 @@ internal class UserAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -302,7 +302,7 @@ internal class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -312,7 +312,7 @@ internal class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -350,7 +350,7 @@ internal class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -360,7 +360,7 @@ internal class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Extensions.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Extensions.swift
index e5511b3aa373..729a612f7e60 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Extensions.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Extensions.swift
@@ -5,6 +5,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 extension Bool: JSONEncodable {
     func encodeToJSON() -> Any { return self as Any }
@@ -52,6 +53,12 @@ extension Array: JSONEncodable {
     }
 }
 
+extension Set: JSONEncodable {
+    func encodeToJSON() -> Any {
+        return Array(self).encodeToJSON()
+    }
+}
+
 extension Dictionary: JSONEncodable {
     func encodeToJSON() -> Any {
         var dictionary = [AnyHashable: Any]()
@@ -177,3 +184,44 @@ extension HTTPURLResponse {
         return Array(200 ..< 300).contains(statusCode)
     }
 }
+
+extension AnyCodable: Hashable {
+    public func hash(into hasher: inout Hasher) {
+        switch value {
+        case let value as Bool:
+            hasher.combine(value)
+        case let value as Int:
+            hasher.combine(value)
+        case let value as Int8:
+            hasher.combine(value)
+        case let value as Int16:
+            hasher.combine(value)
+        case let value as Int32:
+            hasher.combine(value)
+        case let value as Int64:
+            hasher.combine(value)
+        case let value as UInt:
+            hasher.combine(value)
+        case let value as UInt8:
+            hasher.combine(value)
+        case let value as UInt16:
+            hasher.combine(value)
+        case let value as UInt32:
+            hasher.combine(value)
+        case let value as UInt64:
+            hasher.combine(value)
+        case let value as Float:
+            hasher.combine(value)
+        case let value as Double:
+            hasher.combine(value)
+        case let value as String:
+            hasher.combine(value)
+        case let value as [String: AnyCodable]:
+            hasher.combine(value)
+        case let value as [AnyCodable]:
+            hasher.combine(value)
+        default:
+            hasher.combine(0)
+        }
+    }
+}
\ No newline at end of file
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
index 34e7b0fd4e9c..bf4ce9c1c486 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct AdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
index 80422aa94a31..3b7cb8871bb6 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct Animal: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
index 3ebe9e9a5dea..49ec4b6ac6e1 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
@@ -6,5 +6,6 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal typealias AnimalFarm = [Animal]
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
index b117aad7133b..fbfd0dc965f4 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct ApiResponse: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
index d5ce23fb27a0..b55e057f8b45 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct ArrayOfArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
index fa96400f7a63..0c72bbb67ae7 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct ArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
index c731155e26de..81357012314e 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct ArrayTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
index a55eef8975b4..e00ddcd5b4aa 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct Capitalization: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
index 081244637a51..ea8778521815 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct Cat: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
index a7fc1f24827a..b117dd72f8c8 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct CatAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Category.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
index 3b4f6c149fad..08d6072efe9f 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct Category: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
index 33b54fdd4e80..fe629ea6f7af 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model with \&quot;_class\&quot; property */
 internal struct ClassModel: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Client.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
index de09406d53cf..7134dfca5670 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct Client: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
index 161bead82270..156ddc1cb5dc 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct Dog: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
index 5957070689e7..442714c960bb 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct DogAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
index 8a8f61af5890..c08af208f11f 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct EnumArrays: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
index 71fd29e0d2a5..0c35bd818e05 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal enum EnumClass: String, Codable, CaseIterable {
     case abc = "_abc"
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
index 27ed6bce5571..c2dc57ff3328 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct EnumTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/File.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/File.swift
index f0d615b5912b..34ed6eeedfde 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/File.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/File.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Must be named &#x60;File&#x60; for test. */
 internal struct File: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
index bfa1e9e6c04c..838bcbddbde9 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct FileSchemaTestClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
index 1f5b70fc6c0a..f949116b8785 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct FormatTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
index 7346dd89f4b9..e4b4ff7f519a 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct HasOnlyReadOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/List.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/List.swift
index 37298aa93a6e..bf1698643645 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/List.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/List.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct List: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
index 959c1b6132fd..1a0eefa6ede6 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct MapTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
index 725d0ff947b1..54554918d303 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct MixedPropertiesAndAdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
index e0353da8f215..e0726b7f579f 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name starting with number */
 internal struct Model200Response: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Name.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
index af6cb19d7da1..dd72f2b49aef 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name same as property name */
 internal struct Name: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
index 37c113960383..8fbdc21ee97b 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct NumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Order.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
index 0c886ae0fc8f..cf6875477485 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct Order: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
index b11cacc9d9b3..a5e6882f6182 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct OuterComposite: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
index e0cdcbea0558..cb0a71c180c9 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal enum OuterEnum: String, Codable, CaseIterable {
     case placed = "placed"
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
index c388433da77b..4b034a129e8b 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct Pet: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
index cc134ec6af64..c081b9786e15 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct ReadOnlyFirst: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Return.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
index 998123e37e24..7c116733b3b7 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing reserved words */
 internal struct Return: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
index c29097c092b3..6b6f03781637 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct SpecialModelName: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
index 6d5719e4395c..e51c8af9a746 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct StringBooleanMap: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
index 8b4501e67aa6..bd510467acbe 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct Tag: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
index 52500e04b432..0ecfe3bb0fc0 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct TypeHolderDefault: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
index a1408b0bd1b0..5c2fd5d42dbe 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct TypeHolderExample: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/User.swift b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/User.swift
index afbd9f12349b..b2e9413db4ca 100644
--- a/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/User.swift
+++ b/samples/client/petstore/swift5/nonPublicApi/PetstoreClient/Classes/OpenAPIs/Models/User.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 internal struct User: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/nonPublicApi/project.yml b/samples/client/petstore/swift5/nonPublicApi/project.yml
index 8e7102001b8d..5528eeee5135 100644
--- a/samples/client/petstore/swift5/nonPublicApi/project.yml
+++ b/samples/client/petstore/swift5/nonPublicApi/project.yml
@@ -12,3 +12,4 @@ targets:
       APPLICATION_EXTENSION_API_ONLY: true
     scheme: {}
     
+    - carthage: AnyCodable
diff --git a/samples/client/petstore/swift5/objcCompatible/Cartfile b/samples/client/petstore/swift5/objcCompatible/Cartfile
index 8b137891791f..84aaa61ef2d3 100644
--- a/samples/client/petstore/swift5/objcCompatible/Cartfile
+++ b/samples/client/petstore/swift5/objcCompatible/Cartfile
@@ -1 +1,2 @@
 
+github "Flight-School/AnyCodable" ~> 0.4.0
diff --git a/samples/client/petstore/swift5/objcCompatible/Package.swift b/samples/client/petstore/swift5/objcCompatible/Package.swift
index b7fe4734aa8a..b724838fe8d3 100644
--- a/samples/client/petstore/swift5/objcCompatible/Package.swift
+++ b/samples/client/petstore/swift5/objcCompatible/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.0
+// swift-tools-version:5.1
 
 import PackageDescription
 
@@ -19,13 +19,14 @@ let package = Package(
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
+        .package(url: "https://github.com/Flight-School/AnyCodable", .exact("0.4.0")),
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.
         // Targets can depend on other targets in this package, and on products in packages which this package depends on.
         .target(
             name: "PetstoreClient",
-            dependencies: [],
+            dependencies: ["AnyCodable", ],
             path: "PetstoreClient/Classes"
         ),
     ]
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient.podspec b/samples/client/petstore/swift5/objcCompatible/PetstoreClient.podspec
index b61285f6b25e..de06558efbdb 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient.podspec
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient.podspec
@@ -11,4 +11,5 @@ Pod::Spec.new do |s|
   s.homepage = 'https://github.com/openapitools/openapi-generator'
   s.summary = 'PetstoreClient'
   s.source_files = 'PetstoreClient/Classes/**/*.swift'
+  s.dependency 'AnyCodable-FlightSchool', '~> 0.4.0'
 end
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
index e1c068f26274..c0b90bf2f941 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
@@ -38,7 +38,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -48,7 +48,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
index 0af3b8d55a8c..f37371daf503 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
@@ -36,7 +36,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -46,7 +46,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Bool>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -77,7 +77,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -87,7 +87,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<OuterComposite>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -118,7 +118,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -128,7 +128,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Double>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -159,7 +159,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -169,7 +169,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -200,7 +200,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -210,7 +210,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -242,8 +242,8 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "query": query.encodeToJSON(),
         ])
 
@@ -255,7 +255,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -288,7 +288,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -298,7 +298,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -378,7 +378,7 @@ import Foundation
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -388,7 +388,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -508,8 +508,8 @@ import Foundation
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "enum_query_string_array": enumQueryStringArray?.encodeToJSON(),
             "enum_query_string": enumQueryString?.encodeToJSON(),
             "enum_query_integer": enumQueryInteger?.encodeToJSON(),
@@ -526,7 +526,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -569,8 +569,8 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "required_string_group": requiredStringGroup.encodeToJSON(),
             "required_int64_group": requiredInt64Group.encodeToJSON(),
             "string_group": stringGroup?.encodeToJSON(),
@@ -586,7 +586,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -618,7 +618,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: param)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -628,7 +628,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -668,7 +668,7 @@ import Foundation
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -678,7 +678,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
index 7115a294b030..cae3d8e7da27 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
@@ -41,7 +41,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
index 7dc0f6ecde4e..a46c4b36d5c0 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
@@ -40,7 +40,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -50,7 +50,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -90,7 +90,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "api_key": apiKey?.encodeToJSON(),
@@ -100,7 +100,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -145,8 +145,8 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "status": status.encodeToJSON(),
         ])
 
@@ -158,7 +158,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -196,8 +196,8 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "tags": tags.encodeToJSON(),
         ])
 
@@ -209,7 +209,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -248,7 +248,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -258,7 +258,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Pet>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -293,7 +293,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -303,7 +303,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -351,7 +351,7 @@ import Foundation
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -361,7 +361,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -409,7 +409,7 @@ import Foundation
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -419,7 +419,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -467,7 +467,7 @@ import Foundation
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -477,7 +477,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
index 2abb82081dde..990aaaef8bec 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
@@ -41,7 +41,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -85,7 +85,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -95,7 +95,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<[String: Int]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -131,7 +131,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -141,7 +141,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -173,7 +173,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -183,7 +183,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
index 1b384965e079..8fd6953a3f6b 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
@@ -38,7 +38,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -48,7 +48,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -80,7 +80,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -90,7 +90,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -122,7 +122,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -132,7 +132,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -168,7 +168,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -178,7 +178,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -213,7 +213,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -223,7 +223,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<User>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -258,8 +258,8 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "username": username.encodeToJSON(),
             "password": password.encodeToJSON(),
         ])
@@ -272,7 +272,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -302,7 +302,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -312,7 +312,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -350,7 +350,7 @@ import Foundation
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -360,7 +360,7 @@ import Foundation
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Extensions.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Extensions.swift
index 93ed6b90b376..3aef2d1d6c54 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Extensions.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Extensions.swift
@@ -5,6 +5,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 extension Bool: JSONEncodable {
     func encodeToJSON() -> Any { return self as Any }
@@ -52,6 +53,12 @@ extension Array: JSONEncodable {
     }
 }
 
+extension Set: JSONEncodable {
+    func encodeToJSON() -> Any {
+        return Array(self).encodeToJSON()
+    }
+}
+
 extension Dictionary: JSONEncodable {
     func encodeToJSON() -> Any {
         var dictionary = [AnyHashable: Any]()
@@ -177,3 +184,44 @@ extension HTTPURLResponse {
         return Array(200 ..< 300).contains(statusCode)
     }
 }
+
+extension AnyCodable: Hashable {
+    public func hash(into hasher: inout Hasher) {
+        switch value {
+        case let value as Bool:
+            hasher.combine(value)
+        case let value as Int:
+            hasher.combine(value)
+        case let value as Int8:
+            hasher.combine(value)
+        case let value as Int16:
+            hasher.combine(value)
+        case let value as Int32:
+            hasher.combine(value)
+        case let value as Int64:
+            hasher.combine(value)
+        case let value as UInt:
+            hasher.combine(value)
+        case let value as UInt8:
+            hasher.combine(value)
+        case let value as UInt16:
+            hasher.combine(value)
+        case let value as UInt32:
+            hasher.combine(value)
+        case let value as UInt64:
+            hasher.combine(value)
+        case let value as Float:
+            hasher.combine(value)
+        case let value as Double:
+            hasher.combine(value)
+        case let value as String:
+            hasher.combine(value)
+        case let value as [String: AnyCodable]:
+            hasher.combine(value)
+        case let value as [AnyCodable]:
+            hasher.combine(value)
+        default:
+            hasher.combine(0)
+        }
+    }
+}
\ No newline at end of file
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
index 620f778bcc9a..eb5254e01f85 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class AdditionalPropertiesClass: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
index 528d7f886c0b..6f485d639eb4 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class Animal: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
index e09b0e9efdc8..b20b894a1adb 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
@@ -6,5 +6,6 @@
 //
 
 import Foundation
+import AnyCodable
 
 public typealias AnimalFarm = [Animal]
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
index 38334c39011c..56411fbd5462 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class ApiResponse: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
index 8ef73e96f019..308b8739eacb 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class ArrayOfArrayOfNumberOnly: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
index dd95bb5be0cd..08ef4bd707bc 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class ArrayOfNumberOnly: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
index 7b93023aa354..179432320818 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class ArrayTest: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
index 2b42d0b45862..14aa1addb150 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class Capitalization: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
index 5542ffa7de75..f5469fe57c86 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class Cat: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
index 6a4b10e996c1..2ea1fe364e83 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class CatAllOf: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Category.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
index 0e034abbf725..c494d38aba41 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class Category: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
index 648f3a6bfb5a..d4160c500b9d 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model with \&quot;_class\&quot; property */
 @objc public class ClassModel: NSObject, Codable {
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Client.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
index 4c1efdd41407..869875d5ae66 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class Client: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
index be6118ef423f..be79086e9006 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class Dog: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
index 41c63007088d..0d11b427ceba 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class DogAllOf: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
index 6e8c9d0f9abc..4a4d25cb00bd 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class EnumArrays: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
index d4029d73f8af..ab01cf297f8e 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum EnumClass: String, Codable, CaseIterable {
     case abc = "_abc"
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
index dd3e83306c3d..d9847d1fa8f3 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class EnumTest: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/File.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/File.swift
index 5124dd3b089d..ea3492439739 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/File.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/File.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Must be named &#x60;File&#x60; for test. */
 @objc public class File: NSObject, Codable {
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
index be5963357fdc..b2fe2397c49c 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class FileSchemaTestClass: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
index 84f419103a41..86051bcf7605 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class FormatTest: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
index 7ca91927af7e..8977eae2aca2 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class HasOnlyReadOnly: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/List.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/List.swift
index 7a977c19c7c7..e99ed62b9f3c 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/List.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/List.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class List: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
index ba407e3ea25d..52f0f43ca612 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class MapTest: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
index bd503cb36fce..ecf45b929ef5 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class MixedPropertiesAndAdditionalPropertiesClass: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
index 89c612262d2f..49c64d109184 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name starting with number */
 @objc public class Model200Response: NSObject, Codable {
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Name.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
index 15b0507a4785..dff83a20ceed 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name same as property name */
 @objc public class Name: NSObject, Codable {
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
index 40fa7365d0ac..c2bf7d904828 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class NumberOnly: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Order.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
index 728a81434a73..9a3546cbf7b5 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class Order: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
index 9238070c2cb1..1683eadb8a25 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class OuterComposite: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
index c3b778cbbed4..9bd6f3bef8f6 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum OuterEnum: String, Codable, CaseIterable {
     case placed = "placed"
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
index e17ada14c425..c4dfdf33a06f 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class Pet: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
index c16846f4ac19..f8b529de25ec 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class ReadOnlyFirst: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Return.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
index e589a9c20048..51abc25493d6 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing reserved words */
 @objc public class Return: NSObject, Codable {
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
index 41b2bf459eff..98d1d1e3344f 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class SpecialModelName: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
index ffe9730a6fe4..dce35314befd 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class StringBooleanMap: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
index fc02765d30e2..66cec69f9180 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class Tag: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
index 5900ded6aad4..4ede8585d812 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class TypeHolderDefault: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
index 40e3a41c34d9..9c7981f20e17 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class TypeHolderExample: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/User.swift b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/User.swift
index 5b9831507979..d66245920c5b 100644
--- a/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/User.swift
+++ b/samples/client/petstore/swift5/objcCompatible/PetstoreClient/Classes/OpenAPIs/Models/User.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 @objc public class User: NSObject, Codable {
 
diff --git a/samples/client/petstore/swift5/objcCompatible/project.yml b/samples/client/petstore/swift5/objcCompatible/project.yml
index 8e7102001b8d..5528eeee5135 100644
--- a/samples/client/petstore/swift5/objcCompatible/project.yml
+++ b/samples/client/petstore/swift5/objcCompatible/project.yml
@@ -12,3 +12,4 @@ targets:
       APPLICATION_EXTENSION_API_ONLY: true
     scheme: {}
     
+    - carthage: AnyCodable
diff --git a/samples/client/petstore/swift5/promisekitLibrary/Cartfile b/samples/client/petstore/swift5/promisekitLibrary/Cartfile
index 9a00bb83e5b9..84476a72b7c7 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/Cartfile
+++ b/samples/client/petstore/swift5/promisekitLibrary/Cartfile
@@ -1,2 +1,3 @@
 
 github "mxcl/PromiseKit" ~> 6.13.1
+github "Flight-School/AnyCodable" ~> 0.4.0
diff --git a/samples/client/petstore/swift5/promisekitLibrary/Package.swift b/samples/client/petstore/swift5/promisekitLibrary/Package.swift
index 959c7bdaf458..d88580abc72c 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/Package.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.0
+// swift-tools-version:5.1
 
 import PackageDescription
 
@@ -19,6 +19,7 @@ let package = Package(
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
+        .package(url: "https://github.com/Flight-School/AnyCodable", .exact("0.4.0")),
         .package(url: "https://github.com/mxcl/PromiseKit.git", from: "6.12.0"),
     ],
     targets: [
@@ -26,7 +27,7 @@ let package = Package(
         // Targets can depend on other targets in this package, and on products in packages which this package depends on.
         .target(
             name: "PetstoreClient",
-            dependencies: ["PromiseKit", ],
+            dependencies: ["AnyCodable", "PromiseKit", ],
             path: "PetstoreClient/Classes"
         ),
     ]
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient.podspec b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient.podspec
index 92e54fcfeb77..44b020f516e8 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient.podspec
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient.podspec
@@ -12,4 +12,5 @@ Pod::Spec.new do |s|
   s.summary = 'PetstoreClient'
   s.source_files = 'PetstoreClient/Classes/**/*.swift'
   s.dependency 'PromiseKit/CorePromise', '~> 6.13.1'
+  s.dependency 'AnyCodable-FlightSchool', '~> 0.4.0'
 end
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
index 841595419898..96d992e7647c 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
@@ -41,7 +41,7 @@ open class AnotherFakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ open class AnotherFakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
index b87b809198bc..eadb85f7b623 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
@@ -39,7 +39,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -49,7 +49,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Bool>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -82,7 +82,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -92,7 +92,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<OuterComposite>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -125,7 +125,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -135,7 +135,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Double>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -168,7 +168,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -178,7 +178,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -211,7 +211,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -221,7 +221,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -255,8 +255,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "query": query.encodeToJSON(),
         ])
 
@@ -268,7 +268,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -303,7 +303,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -313,7 +313,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -395,7 +395,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -405,7 +405,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -527,8 +527,8 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "enum_query_string_array": enumQueryStringArray?.encodeToJSON(),
             "enum_query_string": enumQueryString?.encodeToJSON(),
             "enum_query_integer": enumQueryInteger?.encodeToJSON(),
@@ -545,7 +545,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -590,8 +590,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "required_string_group": requiredStringGroup.encodeToJSON(),
             "required_int64_group": requiredInt64Group.encodeToJSON(),
             "string_group": stringGroup?.encodeToJSON(),
@@ -607,7 +607,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -641,7 +641,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: param)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -651,7 +651,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -693,7 +693,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -703,7 +703,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
index 6066f4ec8312..14e41e22c1d7 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
@@ -44,7 +44,7 @@ open class FakeClassnameTags123API {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -54,7 +54,7 @@ open class FakeClassnameTags123API {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
index e60028960c8b..4160df0cc9e0 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
@@ -43,7 +43,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -53,7 +53,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -95,7 +95,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "api_key": apiKey?.encodeToJSON(),
@@ -105,7 +105,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -152,8 +152,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "status": status.encodeToJSON(),
         ])
 
@@ -165,7 +165,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -205,8 +205,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "tags": tags.encodeToJSON(),
         ])
 
@@ -218,7 +218,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -259,7 +259,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -269,7 +269,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Pet>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -306,7 +306,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -316,7 +316,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -366,7 +366,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -376,7 +376,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -426,7 +426,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -436,7 +436,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -486,7 +486,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -496,7 +496,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
index a76e39ab8f08..88305f77980d 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
@@ -44,7 +44,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -54,7 +54,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -90,7 +90,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -100,7 +100,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<[String: Int]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -138,7 +138,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -148,7 +148,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -182,7 +182,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -192,7 +192,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
index b451a3404542..1bdb11595739 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
@@ -41,7 +41,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -85,7 +85,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -95,7 +95,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -129,7 +129,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -139,7 +139,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -177,7 +177,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -187,7 +187,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -224,7 +224,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -234,7 +234,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<User>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -271,8 +271,8 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "username": username.encodeToJSON(),
             "password": password.encodeToJSON(),
         ])
@@ -285,7 +285,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -317,7 +317,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -327,7 +327,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -367,7 +367,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -377,7 +377,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift
index 736702ea5dd9..78d15ab2990d 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift
@@ -5,6 +5,7 @@
 //
 
 import Foundation
+import AnyCodable
 import PromiseKit
 
 extension Bool: JSONEncodable {
@@ -53,6 +54,12 @@ extension Array: JSONEncodable {
     }
 }
 
+extension Set: JSONEncodable {
+    func encodeToJSON() -> Any {
+        return Array(self).encodeToJSON()
+    }
+}
+
 extension Dictionary: JSONEncodable {
     func encodeToJSON() -> Any {
         var dictionary = [AnyHashable: Any]()
@@ -193,3 +200,44 @@ extension RequestBuilder {
         return deferred.promise
     }
 }
+
+extension AnyCodable: Hashable {
+    public func hash(into hasher: inout Hasher) {
+        switch value {
+        case let value as Bool:
+            hasher.combine(value)
+        case let value as Int:
+            hasher.combine(value)
+        case let value as Int8:
+            hasher.combine(value)
+        case let value as Int16:
+            hasher.combine(value)
+        case let value as Int32:
+            hasher.combine(value)
+        case let value as Int64:
+            hasher.combine(value)
+        case let value as UInt:
+            hasher.combine(value)
+        case let value as UInt8:
+            hasher.combine(value)
+        case let value as UInt16:
+            hasher.combine(value)
+        case let value as UInt32:
+            hasher.combine(value)
+        case let value as UInt64:
+            hasher.combine(value)
+        case let value as Float:
+            hasher.combine(value)
+        case let value as Double:
+            hasher.combine(value)
+        case let value as String:
+            hasher.combine(value)
+        case let value as [String: AnyCodable]:
+            hasher.combine(value)
+        case let value as [AnyCodable]:
+            hasher.combine(value)
+        default:
+            hasher.combine(0)
+        }
+    }
+}
\ No newline at end of file
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
index 733b7bc51594..9e198439a0a3 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct AdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
index e57c8b471765..74cb98156291 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Animal: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
index e09b0e9efdc8..b20b894a1adb 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
@@ -6,5 +6,6 @@
 //
 
 import Foundation
+import AnyCodable
 
 public typealias AnimalFarm = [Animal]
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
index 630992f6231e..f1c8bcecb7ce 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ApiResponse: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
index 4710793fc9a6..a324a85d46a1 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
index a41968d9b199..0c24cfde0ca3 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
index f442ea725451..00202431a97d 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
index 44b50bbe0063..914691c08492 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Capitalization: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
index c6bf4460da6e..878079f4255e 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Cat: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
index f9484f9bc8fd..9e824dce4d82 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct CatAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
index 6a19bb02d0df..22e0dbb91c20 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Category: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
index 5c8e8882831f..3915fc497b62 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model with \&quot;_class\&quot; property */
 public struct ClassModel: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
index 1464b047c06a..2ba76790800a 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Client: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
index 5aed7834d537..d350a1d0f17c 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Dog: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
index 716776261d30..b2b88b324638 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct DogAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
index aa13aa59f86a..6398a1361271 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumArrays: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
index d4029d73f8af..ab01cf297f8e 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum EnumClass: String, Codable, CaseIterable {
     case abc = "_abc"
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
index 8b62febdc959..ba813e27a597 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift
index aa14d762394d..38fcb14eba97 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Must be named &#x60;File&#x60; for test. */
 public struct File: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
index 85987709776e..daf953b587ab 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FileSchemaTestClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
index f09cb471b360..0d2cba9c3941 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FormatTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
index 03d35274a4ee..5c025f8ba16d 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct HasOnlyReadOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift
index f8f08e4c6c44..c20e683ee82e 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct List: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
index bd4e7b97e81b..d7dc8dce1af1 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MapTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
index 80c1781a2bfc..73fa72a0c541 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MixedPropertiesAndAdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
index d36d4e27352a..baf6ab8603c9 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name starting with number */
 public struct Model200Response: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
index 49cc57544179..44d61f95059b 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name same as property name */
 public struct Name: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
index 6b024294e288..2955c7100921 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct NumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
index 8ef7cb79e2c8..8e7ae039b621 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Order: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
index 9865764ff9bb..8d05ecbb528a 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct OuterComposite: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
index c3b778cbbed4..9bd6f3bef8f6 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum OuterEnum: String, Codable, CaseIterable {
     case placed = "placed"
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
index 1bc823d3e960..c79a8df67079 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Pet: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
index 03b5b0dbf02b..74ede03225be 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ReadOnlyFirst: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
index 5f539f461843..baf832a256b3 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing reserved words */
 public struct Return: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
index cb82d2ae3adc..7c3844e63389 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct SpecialModelName: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
index 77ab81f5f341..888865c1429d 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct StringBooleanMap: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
index 8b8e24fc39c0..dc95f0ba9d2d 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Tag: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
index f1920ef37788..2d3c016bf6a2 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderDefault: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
index 1a23c1b486b8..1ef4ed92ab73 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderExample: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift
index f3b4f6bb958a..af5b72010486 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift
+++ b/samples/client/petstore/swift5/promisekitLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct User: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/promisekitLibrary/project.yml b/samples/client/petstore/swift5/promisekitLibrary/project.yml
index d6d2be8a2247..043be1cc387a 100644
--- a/samples/client/petstore/swift5/promisekitLibrary/project.yml
+++ b/samples/client/petstore/swift5/promisekitLibrary/project.yml
@@ -13,3 +13,4 @@ targets:
     scheme: {}
     dependencies:
     - carthage: PromiseKit
+    - carthage: AnyCodable
diff --git a/samples/client/petstore/swift5/readonlyProperties/Cartfile b/samples/client/petstore/swift5/readonlyProperties/Cartfile
index 8b137891791f..84aaa61ef2d3 100644
--- a/samples/client/petstore/swift5/readonlyProperties/Cartfile
+++ b/samples/client/petstore/swift5/readonlyProperties/Cartfile
@@ -1 +1,2 @@
 
+github "Flight-School/AnyCodable" ~> 0.4.0
diff --git a/samples/client/petstore/swift5/readonlyProperties/Package.swift b/samples/client/petstore/swift5/readonlyProperties/Package.swift
index b7fe4734aa8a..b724838fe8d3 100644
--- a/samples/client/petstore/swift5/readonlyProperties/Package.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.0
+// swift-tools-version:5.1
 
 import PackageDescription
 
@@ -19,13 +19,14 @@ let package = Package(
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
+        .package(url: "https://github.com/Flight-School/AnyCodable", .exact("0.4.0")),
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.
         // Targets can depend on other targets in this package, and on products in packages which this package depends on.
         .target(
             name: "PetstoreClient",
-            dependencies: [],
+            dependencies: ["AnyCodable", ],
             path: "PetstoreClient/Classes"
         ),
     ]
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient.podspec b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient.podspec
index b61285f6b25e..de06558efbdb 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient.podspec
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient.podspec
@@ -11,4 +11,5 @@ Pod::Spec.new do |s|
   s.homepage = 'https://github.com/openapitools/openapi-generator'
   s.summary = 'PetstoreClient'
   s.source_files = 'PetstoreClient/Classes/**/*.swift'
+  s.dependency 'AnyCodable-FlightSchool', '~> 0.4.0'
 end
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
index 24b0015a270d..72b89640eeb4 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
@@ -38,7 +38,7 @@ open class AnotherFakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -48,7 +48,7 @@ open class AnotherFakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
index 58c4b8a093ce..cf92424d9cc1 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
@@ -36,7 +36,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -46,7 +46,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Bool>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -77,7 +77,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -87,7 +87,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<OuterComposite>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -118,7 +118,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -128,7 +128,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Double>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -159,7 +159,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -169,7 +169,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -200,7 +200,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -210,7 +210,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -242,8 +242,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "query": query.encodeToJSON(),
         ])
 
@@ -255,7 +255,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -288,7 +288,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -298,7 +298,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -378,7 +378,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -388,7 +388,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -508,8 +508,8 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "enum_query_string_array": enumQueryStringArray?.encodeToJSON(),
             "enum_query_string": enumQueryString?.encodeToJSON(),
             "enum_query_integer": enumQueryInteger?.encodeToJSON(),
@@ -526,7 +526,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -569,8 +569,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "required_string_group": requiredStringGroup.encodeToJSON(),
             "required_int64_group": requiredInt64Group.encodeToJSON(),
             "string_group": stringGroup?.encodeToJSON(),
@@ -586,7 +586,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -618,7 +618,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: param)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -628,7 +628,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -668,7 +668,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -678,7 +678,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
index fb3bb8ce00a7..d4d651664963 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
@@ -41,7 +41,7 @@ open class FakeClassnameTags123API {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ open class FakeClassnameTags123API {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
index 5cd3629127bf..a1fe0d12b1da 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
@@ -40,7 +40,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -50,7 +50,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -90,7 +90,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "api_key": apiKey?.encodeToJSON(),
@@ -100,7 +100,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -145,8 +145,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "status": status.encodeToJSON(),
         ])
 
@@ -158,7 +158,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -196,8 +196,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "tags": tags.encodeToJSON(),
         ])
 
@@ -209,7 +209,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -248,7 +248,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -258,7 +258,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Pet>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -293,7 +293,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -303,7 +303,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -351,7 +351,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -361,7 +361,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -409,7 +409,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -419,7 +419,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -467,7 +467,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -477,7 +477,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
index 95adcc200ae0..501f11f5f219 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
@@ -41,7 +41,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -85,7 +85,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -95,7 +95,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<[String: Int]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -131,7 +131,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -141,7 +141,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -173,7 +173,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -183,7 +183,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
index cfd30068a9db..254474014d31 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
@@ -38,7 +38,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -48,7 +48,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -80,7 +80,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -90,7 +90,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -122,7 +122,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -132,7 +132,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -168,7 +168,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -178,7 +178,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -213,7 +213,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -223,7 +223,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<User>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -258,8 +258,8 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "username": username.encodeToJSON(),
             "password": password.encodeToJSON(),
         ])
@@ -272,7 +272,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -302,7 +302,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -312,7 +312,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -350,7 +350,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -360,7 +360,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Extensions.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Extensions.swift
index 93ed6b90b376..3aef2d1d6c54 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Extensions.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Extensions.swift
@@ -5,6 +5,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 extension Bool: JSONEncodable {
     func encodeToJSON() -> Any { return self as Any }
@@ -52,6 +53,12 @@ extension Array: JSONEncodable {
     }
 }
 
+extension Set: JSONEncodable {
+    func encodeToJSON() -> Any {
+        return Array(self).encodeToJSON()
+    }
+}
+
 extension Dictionary: JSONEncodable {
     func encodeToJSON() -> Any {
         var dictionary = [AnyHashable: Any]()
@@ -177,3 +184,44 @@ extension HTTPURLResponse {
         return Array(200 ..< 300).contains(statusCode)
     }
 }
+
+extension AnyCodable: Hashable {
+    public func hash(into hasher: inout Hasher) {
+        switch value {
+        case let value as Bool:
+            hasher.combine(value)
+        case let value as Int:
+            hasher.combine(value)
+        case let value as Int8:
+            hasher.combine(value)
+        case let value as Int16:
+            hasher.combine(value)
+        case let value as Int32:
+            hasher.combine(value)
+        case let value as Int64:
+            hasher.combine(value)
+        case let value as UInt:
+            hasher.combine(value)
+        case let value as UInt8:
+            hasher.combine(value)
+        case let value as UInt16:
+            hasher.combine(value)
+        case let value as UInt32:
+            hasher.combine(value)
+        case let value as UInt64:
+            hasher.combine(value)
+        case let value as Float:
+            hasher.combine(value)
+        case let value as Double:
+            hasher.combine(value)
+        case let value as String:
+            hasher.combine(value)
+        case let value as [String: AnyCodable]:
+            hasher.combine(value)
+        case let value as [AnyCodable]:
+            hasher.combine(value)
+        default:
+            hasher.combine(0)
+        }
+    }
+}
\ No newline at end of file
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
index 4c5e1a53bd4b..33e900885d38 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct AdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
index 48229f750cdc..e3ce38d71bb4 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Animal: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
index e09b0e9efdc8..b20b894a1adb 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
@@ -6,5 +6,6 @@
 //
 
 import Foundation
+import AnyCodable
 
 public typealias AnimalFarm = [Animal]
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
index 93b598e8d6f7..ca2b0bfb0e01 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ApiResponse: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
index 6225dd84be7a..cf3bf097a4e9 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
index 698c3adf98cb..e9fce20b588e 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
index 578d06178524..236f95470e47 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
index 6b4d8425c4af..55978b80b1ce 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Capitalization: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
index 731f11bf6f16..c1f3e5063c36 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Cat: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
index 34cf645193dd..632f724ea3ee 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct CatAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Category.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
index 4089925077ff..1f0b52e6bb1c 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Category: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
index a76f014c0364..e6fee4cde585 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model with \&quot;_class\&quot; property */
 public struct ClassModel: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Client.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
index f1dd2364bfc2..9e0aab9e22d2 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Client: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
index ef91e2a47a5b..17f0fe404a73 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Dog: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
index 0eab83890406..8ff4a76e7933 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct DogAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
index e3befc6dfe57..926ccee2b104 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumArrays: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
index d4029d73f8af..ab01cf297f8e 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum EnumClass: String, Codable, CaseIterable {
     case abc = "_abc"
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
index d9dd6a64b064..ae9ff39cd377 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/File.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/File.swift
index 1fbc65d2db54..426942177a41 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/File.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/File.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Must be named &#x60;File&#x60; for test. */
 public struct File: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
index aa4cf089d0f7..9c3eb291a351 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FileSchemaTestClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
index fce99baa8f02..32e723184273 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FormatTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
index 0b2b2f5887e4..5af6067904c3 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct HasOnlyReadOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/List.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/List.swift
index 0247967c505f..b7bf8466c16d 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/List.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/List.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct List: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
index 15bdb8c852f1..d64f0097493d 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MapTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
index 1253cecf1b8c..a7d2217f498d 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MixedPropertiesAndAdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
index 1c8c0b4b11f1..b7675f3a7d65 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name starting with number */
 public struct Model200Response: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Name.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
index 59fc35b4999f..bfcf6646f700 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name same as property name */
 public struct Name: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
index 71634b248270..22f81e97c8f1 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct NumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Order.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
index 25ac0c3fabb1..460e2a2b6c5e 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Order: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
index 36a489ac41a3..634621e52b7e 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct OuterComposite: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
index c3b778cbbed4..9bd6f3bef8f6 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum OuterEnum: String, Codable, CaseIterable {
     case placed = "placed"
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
index 561d18526968..8893f9b8bb4d 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Pet: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
index ae8af88b8a29..cddd9398e08f 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ReadOnlyFirst: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Return.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
index 1bb551dcaef8..5ec0ea6c2a1a 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing reserved words */
 public struct Return: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
index 78dc5a7db12e..4140c354e471 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct SpecialModelName: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
index 0a6fc2976ee4..325d7b142178 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct StringBooleanMap: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
index c35e07111a00..756a2108ad10 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Tag: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
index 0ad0e39ab4d8..556d9bff3f27 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderDefault: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
index a26b555da79e..57f4be14ce3e 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderExample: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/User.swift b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/User.swift
index 4c33cf58d3b6..50c560522e55 100644
--- a/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/User.swift
+++ b/samples/client/petstore/swift5/readonlyProperties/PetstoreClient/Classes/OpenAPIs/Models/User.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct User: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/readonlyProperties/project.yml b/samples/client/petstore/swift5/readonlyProperties/project.yml
index 8e7102001b8d..5528eeee5135 100644
--- a/samples/client/petstore/swift5/readonlyProperties/project.yml
+++ b/samples/client/petstore/swift5/readonlyProperties/project.yml
@@ -12,3 +12,4 @@ targets:
       APPLICATION_EXTENSION_API_ONLY: true
     scheme: {}
     
+    - carthage: AnyCodable
diff --git a/samples/client/petstore/swift5/resultLibrary/Cartfile b/samples/client/petstore/swift5/resultLibrary/Cartfile
index 8b137891791f..84aaa61ef2d3 100644
--- a/samples/client/petstore/swift5/resultLibrary/Cartfile
+++ b/samples/client/petstore/swift5/resultLibrary/Cartfile
@@ -1 +1,2 @@
 
+github "Flight-School/AnyCodable" ~> 0.4.0
diff --git a/samples/client/petstore/swift5/resultLibrary/Package.swift b/samples/client/petstore/swift5/resultLibrary/Package.swift
index b7fe4734aa8a..b724838fe8d3 100644
--- a/samples/client/petstore/swift5/resultLibrary/Package.swift
+++ b/samples/client/petstore/swift5/resultLibrary/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.0
+// swift-tools-version:5.1
 
 import PackageDescription
 
@@ -19,13 +19,14 @@ let package = Package(
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
+        .package(url: "https://github.com/Flight-School/AnyCodable", .exact("0.4.0")),
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.
         // Targets can depend on other targets in this package, and on products in packages which this package depends on.
         .target(
             name: "PetstoreClient",
-            dependencies: [],
+            dependencies: ["AnyCodable", ],
             path: "PetstoreClient/Classes"
         ),
     ]
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient.podspec b/samples/client/petstore/swift5/resultLibrary/PetstoreClient.podspec
index b61285f6b25e..de06558efbdb 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient.podspec
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient.podspec
@@ -11,4 +11,5 @@ Pod::Spec.new do |s|
   s.homepage = 'https://github.com/openapitools/openapi-generator'
   s.summary = 'PetstoreClient'
   s.source_files = 'PetstoreClient/Classes/**/*.swift'
+  s.dependency 'AnyCodable-FlightSchool', '~> 0.4.0'
 end
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
index 1c777abff633..19521eb4d659 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
@@ -38,7 +38,7 @@ open class AnotherFakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -48,7 +48,7 @@ open class AnotherFakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
index 642370b2bc1c..a1eb0539707f 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
@@ -36,7 +36,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -46,7 +46,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Bool>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -77,7 +77,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -87,7 +87,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<OuterComposite>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -118,7 +118,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -128,7 +128,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Double>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -159,7 +159,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -169,7 +169,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -200,7 +200,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -210,7 +210,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -242,8 +242,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "query": query.encodeToJSON(),
         ])
 
@@ -255,7 +255,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -288,7 +288,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -298,7 +298,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -378,7 +378,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -388,7 +388,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -508,8 +508,8 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "enum_query_string_array": enumQueryStringArray?.encodeToJSON(),
             "enum_query_string": enumQueryString?.encodeToJSON(),
             "enum_query_integer": enumQueryInteger?.encodeToJSON(),
@@ -526,7 +526,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -569,8 +569,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "required_string_group": requiredStringGroup.encodeToJSON(),
             "required_int64_group": requiredInt64Group.encodeToJSON(),
             "string_group": stringGroup?.encodeToJSON(),
@@ -586,7 +586,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -618,7 +618,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: param)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -628,7 +628,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -668,7 +668,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -678,7 +678,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
index 4cf17d8a8849..f4608c34d82e 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
@@ -41,7 +41,7 @@ open class FakeClassnameTags123API {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ open class FakeClassnameTags123API {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
index fd4c8fb152ad..521125d8db8b 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
@@ -40,7 +40,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -50,7 +50,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -90,7 +90,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "api_key": apiKey?.encodeToJSON(),
@@ -100,7 +100,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -145,8 +145,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "status": status.encodeToJSON(),
         ])
 
@@ -158,7 +158,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -196,8 +196,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "tags": tags.encodeToJSON(),
         ])
 
@@ -209,7 +209,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -248,7 +248,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -258,7 +258,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Pet>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -293,7 +293,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -303,7 +303,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -351,7 +351,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -361,7 +361,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -409,7 +409,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -419,7 +419,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -467,7 +467,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -477,7 +477,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
index a50d54cada1e..18f3dd90a5e6 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
@@ -41,7 +41,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -85,7 +85,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -95,7 +95,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<[String: Int]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -131,7 +131,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -141,7 +141,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -173,7 +173,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -183,7 +183,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
index 58b6b51d8b06..2dfa75460f04 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
@@ -38,7 +38,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -48,7 +48,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -80,7 +80,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -90,7 +90,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -122,7 +122,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -132,7 +132,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -168,7 +168,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -178,7 +178,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -213,7 +213,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -223,7 +223,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<User>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -258,8 +258,8 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "username": username.encodeToJSON(),
             "password": password.encodeToJSON(),
         ])
@@ -272,7 +272,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -302,7 +302,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -312,7 +312,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -350,7 +350,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -360,7 +360,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift
index 93ed6b90b376..3aef2d1d6c54 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift
@@ -5,6 +5,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 extension Bool: JSONEncodable {
     func encodeToJSON() -> Any { return self as Any }
@@ -52,6 +53,12 @@ extension Array: JSONEncodable {
     }
 }
 
+extension Set: JSONEncodable {
+    func encodeToJSON() -> Any {
+        return Array(self).encodeToJSON()
+    }
+}
+
 extension Dictionary: JSONEncodable {
     func encodeToJSON() -> Any {
         var dictionary = [AnyHashable: Any]()
@@ -177,3 +184,44 @@ extension HTTPURLResponse {
         return Array(200 ..< 300).contains(statusCode)
     }
 }
+
+extension AnyCodable: Hashable {
+    public func hash(into hasher: inout Hasher) {
+        switch value {
+        case let value as Bool:
+            hasher.combine(value)
+        case let value as Int:
+            hasher.combine(value)
+        case let value as Int8:
+            hasher.combine(value)
+        case let value as Int16:
+            hasher.combine(value)
+        case let value as Int32:
+            hasher.combine(value)
+        case let value as Int64:
+            hasher.combine(value)
+        case let value as UInt:
+            hasher.combine(value)
+        case let value as UInt8:
+            hasher.combine(value)
+        case let value as UInt16:
+            hasher.combine(value)
+        case let value as UInt32:
+            hasher.combine(value)
+        case let value as UInt64:
+            hasher.combine(value)
+        case let value as Float:
+            hasher.combine(value)
+        case let value as Double:
+            hasher.combine(value)
+        case let value as String:
+            hasher.combine(value)
+        case let value as [String: AnyCodable]:
+            hasher.combine(value)
+        case let value as [AnyCodable]:
+            hasher.combine(value)
+        default:
+            hasher.combine(0)
+        }
+    }
+}
\ No newline at end of file
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
index 733b7bc51594..9e198439a0a3 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct AdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
index e57c8b471765..74cb98156291 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Animal: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
index e09b0e9efdc8..b20b894a1adb 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
@@ -6,5 +6,6 @@
 //
 
 import Foundation
+import AnyCodable
 
 public typealias AnimalFarm = [Animal]
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
index 630992f6231e..f1c8bcecb7ce 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ApiResponse: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
index 4710793fc9a6..a324a85d46a1 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
index a41968d9b199..0c24cfde0ca3 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
index f442ea725451..00202431a97d 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
index 44b50bbe0063..914691c08492 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Capitalization: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
index c6bf4460da6e..878079f4255e 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Cat: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
index f9484f9bc8fd..9e824dce4d82 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct CatAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
index 6a19bb02d0df..22e0dbb91c20 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Category: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
index 5c8e8882831f..3915fc497b62 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model with \&quot;_class\&quot; property */
 public struct ClassModel: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
index 1464b047c06a..2ba76790800a 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Client: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
index 5aed7834d537..d350a1d0f17c 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Dog: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
index 716776261d30..b2b88b324638 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct DogAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
index aa13aa59f86a..6398a1361271 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumArrays: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
index d4029d73f8af..ab01cf297f8e 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum EnumClass: String, Codable, CaseIterable {
     case abc = "_abc"
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
index 8b62febdc959..ba813e27a597 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift
index aa14d762394d..38fcb14eba97 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Must be named &#x60;File&#x60; for test. */
 public struct File: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
index 85987709776e..daf953b587ab 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FileSchemaTestClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
index f09cb471b360..0d2cba9c3941 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FormatTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
index 03d35274a4ee..5c025f8ba16d 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct HasOnlyReadOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift
index f8f08e4c6c44..c20e683ee82e 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct List: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
index bd4e7b97e81b..d7dc8dce1af1 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MapTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
index 80c1781a2bfc..73fa72a0c541 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MixedPropertiesAndAdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
index d36d4e27352a..baf6ab8603c9 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name starting with number */
 public struct Model200Response: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
index 49cc57544179..44d61f95059b 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name same as property name */
 public struct Name: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
index 6b024294e288..2955c7100921 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct NumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
index 8ef7cb79e2c8..8e7ae039b621 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Order: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
index 9865764ff9bb..8d05ecbb528a 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct OuterComposite: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
index c3b778cbbed4..9bd6f3bef8f6 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum OuterEnum: String, Codable, CaseIterable {
     case placed = "placed"
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
index 1bc823d3e960..c79a8df67079 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Pet: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
index 03b5b0dbf02b..74ede03225be 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ReadOnlyFirst: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
index 5f539f461843..baf832a256b3 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing reserved words */
 public struct Return: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
index cb82d2ae3adc..7c3844e63389 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct SpecialModelName: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
index 77ab81f5f341..888865c1429d 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct StringBooleanMap: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
index 8b8e24fc39c0..dc95f0ba9d2d 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Tag: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
index f1920ef37788..2d3c016bf6a2 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderDefault: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
index 1a23c1b486b8..1ef4ed92ab73 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderExample: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift
index f3b4f6bb958a..af5b72010486 100644
--- a/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift
+++ b/samples/client/petstore/swift5/resultLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct User: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/resultLibrary/project.yml b/samples/client/petstore/swift5/resultLibrary/project.yml
index 8e7102001b8d..5528eeee5135 100644
--- a/samples/client/petstore/swift5/resultLibrary/project.yml
+++ b/samples/client/petstore/swift5/resultLibrary/project.yml
@@ -12,3 +12,4 @@ targets:
       APPLICATION_EXTENSION_API_ONLY: true
     scheme: {}
     
+    - carthage: AnyCodable
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/Cartfile b/samples/client/petstore/swift5/rxswiftLibrary/Cartfile
index 37dea8f2ead7..2fd5cfcce547 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/Cartfile
+++ b/samples/client/petstore/swift5/rxswiftLibrary/Cartfile
@@ -1,2 +1,3 @@
 
 github "ReactiveX/RxSwift" ~> 5.1.1
+github "Flight-School/AnyCodable" ~> 0.4.0
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/Package.swift b/samples/client/petstore/swift5/rxswiftLibrary/Package.swift
index e774d3e15c77..f3bcac26bb04 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/Package.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.0
+// swift-tools-version:5.1
 
 import PackageDescription
 
@@ -19,6 +19,7 @@ let package = Package(
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
+        .package(url: "https://github.com/Flight-School/AnyCodable", .exact("0.4.0")),
         .package(url: "https://github.com/ReactiveX/RxSwift.git", from: "5.0.0"),
     ],
     targets: [
@@ -26,7 +27,7 @@ let package = Package(
         // Targets can depend on other targets in this package, and on products in packages which this package depends on.
         .target(
             name: "PetstoreClient",
-            dependencies: ["RxSwift"],
+            dependencies: ["AnyCodable", "RxSwift"],
             path: "PetstoreClient/Classes"
         ),
     ]
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient.podspec b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient.podspec
index 2e94d8a71f3e..2cd686660982 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient.podspec
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient.podspec
@@ -12,4 +12,5 @@ Pod::Spec.new do |s|
   s.summary = 'PetstoreClient'
   s.source_files = 'PetstoreClient/Classes/**/*.swift'
   s.dependency 'RxSwift', '~> 5.1.1'
+  s.dependency 'AnyCodable-FlightSchool', '~> 0.4.0'
 end
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
index 1affe07267f1..12e7760ec2c5 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/AnotherFakeAPI.swift
@@ -43,7 +43,7 @@ open class AnotherFakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -53,7 +53,7 @@ open class AnotherFakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
index f76577526ec8..06b88c2a71fb 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeAPI.swift
@@ -41,7 +41,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Bool>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -86,7 +86,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -96,7 +96,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<OuterComposite>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -131,7 +131,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -141,7 +141,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Double>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -176,7 +176,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -186,7 +186,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -221,7 +221,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -231,7 +231,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -267,8 +267,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "query": query.encodeToJSON(),
         ])
 
@@ -280,7 +280,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -317,7 +317,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -327,7 +327,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -411,7 +411,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -421,7 +421,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -545,8 +545,8 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "enum_query_string_array": enumQueryStringArray?.encodeToJSON(),
             "enum_query_string": enumQueryString?.encodeToJSON(),
             "enum_query_integer": enumQueryInteger?.encodeToJSON(),
@@ -563,7 +563,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -610,8 +610,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "required_string_group": requiredStringGroup.encodeToJSON(),
             "required_int64_group": requiredInt64Group.encodeToJSON(),
             "string_group": stringGroup?.encodeToJSON(),
@@ -627,7 +627,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -663,7 +663,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: param)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -673,7 +673,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -717,7 +717,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -727,7 +727,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
index ec0775dbde0a..a0f65c5269e5 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/FakeClassnameTags123API.swift
@@ -46,7 +46,7 @@ open class FakeClassnameTags123API {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -56,7 +56,7 @@ open class FakeClassnameTags123API {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
index e1152e64add8..bb299e77d8c9 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/PetAPI.swift
@@ -45,7 +45,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -55,7 +55,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -99,7 +99,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "api_key": apiKey?.encodeToJSON(),
@@ -109,7 +109,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -158,8 +158,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "status": status.encodeToJSON(),
         ])
 
@@ -171,7 +171,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -213,8 +213,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "tags": tags.encodeToJSON(),
         ])
 
@@ -226,7 +226,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -269,7 +269,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -279,7 +279,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Pet>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -318,7 +318,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -328,7 +328,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -380,7 +380,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -390,7 +390,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -442,7 +442,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -452,7 +452,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -504,7 +504,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -514,7 +514,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
index 4dac29ad2be3..0f1e6023e174 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/StoreAPI.swift
@@ -46,7 +46,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -56,7 +56,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -94,7 +94,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -104,7 +104,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<[String: Int]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -144,7 +144,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -154,7 +154,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -190,7 +190,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -200,7 +200,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
index 5bfcc43e2a2e..18bf71fc41ce 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/APIs/UserAPI.swift
@@ -43,7 +43,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -53,7 +53,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -89,7 +89,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -99,7 +99,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -135,7 +135,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -145,7 +145,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -185,7 +185,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -195,7 +195,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -234,7 +234,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -244,7 +244,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<User>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -283,8 +283,8 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "username": username.encodeToJSON(),
             "password": password.encodeToJSON(),
         ])
@@ -297,7 +297,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -331,7 +331,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -341,7 +341,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -383,7 +383,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -393,7 +393,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift
index 93ed6b90b376..3aef2d1d6c54 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Extensions.swift
@@ -5,6 +5,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 extension Bool: JSONEncodable {
     func encodeToJSON() -> Any { return self as Any }
@@ -52,6 +53,12 @@ extension Array: JSONEncodable {
     }
 }
 
+extension Set: JSONEncodable {
+    func encodeToJSON() -> Any {
+        return Array(self).encodeToJSON()
+    }
+}
+
 extension Dictionary: JSONEncodable {
     func encodeToJSON() -> Any {
         var dictionary = [AnyHashable: Any]()
@@ -177,3 +184,44 @@ extension HTTPURLResponse {
         return Array(200 ..< 300).contains(statusCode)
     }
 }
+
+extension AnyCodable: Hashable {
+    public func hash(into hasher: inout Hasher) {
+        switch value {
+        case let value as Bool:
+            hasher.combine(value)
+        case let value as Int:
+            hasher.combine(value)
+        case let value as Int8:
+            hasher.combine(value)
+        case let value as Int16:
+            hasher.combine(value)
+        case let value as Int32:
+            hasher.combine(value)
+        case let value as Int64:
+            hasher.combine(value)
+        case let value as UInt:
+            hasher.combine(value)
+        case let value as UInt8:
+            hasher.combine(value)
+        case let value as UInt16:
+            hasher.combine(value)
+        case let value as UInt32:
+            hasher.combine(value)
+        case let value as UInt64:
+            hasher.combine(value)
+        case let value as Float:
+            hasher.combine(value)
+        case let value as Double:
+            hasher.combine(value)
+        case let value as String:
+            hasher.combine(value)
+        case let value as [String: AnyCodable]:
+            hasher.combine(value)
+        case let value as [AnyCodable]:
+            hasher.combine(value)
+        default:
+            hasher.combine(0)
+        }
+    }
+}
\ No newline at end of file
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
index 733b7bc51594..9e198439a0a3 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/AdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct AdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
index e57c8b471765..74cb98156291 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Animal.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Animal: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
index e09b0e9efdc8..b20b894a1adb 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/AnimalFarm.swift
@@ -6,5 +6,6 @@
 //
 
 import Foundation
+import AnyCodable
 
 public typealias AnimalFarm = [Animal]
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
index 630992f6231e..f1c8bcecb7ce 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ApiResponse.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ApiResponse: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
index 4710793fc9a6..a324a85d46a1 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
index a41968d9b199..0c24cfde0ca3 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
index f442ea725451..00202431a97d 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ArrayTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
index 44b50bbe0063..914691c08492 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Capitalization.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Capitalization: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
index c6bf4460da6e..878079f4255e 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Cat.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Cat: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
index f9484f9bc8fd..9e824dce4d82 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/CatAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct CatAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
index 6a19bb02d0df..22e0dbb91c20 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Category.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Category: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
index 5c8e8882831f..3915fc497b62 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ClassModel.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model with \&quot;_class\&quot; property */
 public struct ClassModel: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
index 1464b047c06a..2ba76790800a 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Client.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Client: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
index 5aed7834d537..d350a1d0f17c 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Dog.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Dog: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
index 716776261d30..b2b88b324638 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/DogAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct DogAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
index aa13aa59f86a..6398a1361271 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumArrays.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumArrays: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
index d4029d73f8af..ab01cf297f8e 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum EnumClass: String, Codable, CaseIterable {
     case abc = "_abc"
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
index 8b62febdc959..ba813e27a597 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/EnumTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift
index aa14d762394d..38fcb14eba97 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/File.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Must be named &#x60;File&#x60; for test. */
 public struct File: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
index 85987709776e..daf953b587ab 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/FileSchemaTestClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FileSchemaTestClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
index f09cb471b360..0d2cba9c3941 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/FormatTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FormatTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
index 03d35274a4ee..5c025f8ba16d 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/HasOnlyReadOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct HasOnlyReadOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift
index f8f08e4c6c44..c20e683ee82e 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/List.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct List: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
index bd4e7b97e81b..d7dc8dce1af1 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/MapTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MapTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
index 80c1781a2bfc..73fa72a0c541 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MixedPropertiesAndAdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
index d36d4e27352a..baf6ab8603c9 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Model200Response.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name starting with number */
 public struct Model200Response: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
index 49cc57544179..44d61f95059b 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Name.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name same as property name */
 public struct Name: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
index 6b024294e288..2955c7100921 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/NumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct NumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
index 8ef7cb79e2c8..8e7ae039b621 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Order.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Order: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
index 9865764ff9bb..8d05ecbb528a 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterComposite.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct OuterComposite: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
index c3b778cbbed4..9bd6f3bef8f6 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/OuterEnum.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum OuterEnum: String, Codable, CaseIterable {
     case placed = "placed"
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
index 1bc823d3e960..c79a8df67079 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Pet.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Pet: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
index 03b5b0dbf02b..74ede03225be 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/ReadOnlyFirst.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ReadOnlyFirst: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
index 5f539f461843..baf832a256b3 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Return.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing reserved words */
 public struct Return: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
index cb82d2ae3adc..7c3844e63389 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/SpecialModelName.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct SpecialModelName: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
index 77ab81f5f341..888865c1429d 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/StringBooleanMap.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct StringBooleanMap: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
index 8b8e24fc39c0..dc95f0ba9d2d 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/Tag.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Tag: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
index f1920ef37788..2d3c016bf6a2 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderDefault.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderDefault: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
index 1a23c1b486b8..1ef4ed92ab73 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/TypeHolderExample.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderExample: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift
index f3b4f6bb958a..af5b72010486 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift
+++ b/samples/client/petstore/swift5/rxswiftLibrary/PetstoreClient/Classes/OpenAPIs/Models/User.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct User: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/rxswiftLibrary/project.yml b/samples/client/petstore/swift5/rxswiftLibrary/project.yml
index 60393c28e669..7f6334fda437 100644
--- a/samples/client/petstore/swift5/rxswiftLibrary/project.yml
+++ b/samples/client/petstore/swift5/rxswiftLibrary/project.yml
@@ -13,3 +13,4 @@ targets:
     scheme: {}
     dependencies:
     - carthage: RxSwift
+    - carthage: AnyCodable
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Cartfile b/samples/client/petstore/swift5/urlsessionLibrary/Cartfile
index 8b137891791f..84aaa61ef2d3 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Cartfile
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Cartfile
@@ -1 +1,2 @@
 
+github "Flight-School/AnyCodable" ~> 0.4.0
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Package.swift b/samples/client/petstore/swift5/urlsessionLibrary/Package.swift
index b00b504b3ce7..99e2642257ad 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Package.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.0
+// swift-tools-version:5.1
 
 import PackageDescription
 
@@ -19,13 +19,14 @@ let package = Package(
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
+        .package(url: "https://github.com/Flight-School/AnyCodable", .exact("0.4.0")),
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.
         // Targets can depend on other targets in this package, and on products in packages which this package depends on.
         .target(
             name: "PetstoreClient",
-            dependencies: [],
+            dependencies: ["AnyCodable", ],
             path: "Sources/PetstoreClient"
         ),
     ]
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/PetstoreClient.podspec b/samples/client/petstore/swift5/urlsessionLibrary/PetstoreClient.podspec
index 826cfbe106be..66ef37061f85 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/PetstoreClient.podspec
+++ b/samples/client/petstore/swift5/urlsessionLibrary/PetstoreClient.podspec
@@ -11,4 +11,5 @@ Pod::Spec.new do |s|
   s.homepage = 'https://github.com/openapitools/openapi-generator'
   s.summary = 'PetstoreClient'
   s.source_files = 'Sources/PetstoreClient/**/*.swift'
+  s.dependency 'AnyCodable-FlightSchool', '~> 0.4.0'
 end
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/AnotherFakeAPI.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/AnotherFakeAPI.swift
index 24b0015a270d..72b89640eeb4 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/AnotherFakeAPI.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/AnotherFakeAPI.swift
@@ -38,7 +38,7 @@ open class AnotherFakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -48,7 +48,7 @@ open class AnotherFakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/FakeAPI.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/FakeAPI.swift
index 58c4b8a093ce..cf92424d9cc1 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/FakeAPI.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/FakeAPI.swift
@@ -36,7 +36,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -46,7 +46,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Bool>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -77,7 +77,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -87,7 +87,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<OuterComposite>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -118,7 +118,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -128,7 +128,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Double>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -159,7 +159,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -169,7 +169,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -200,7 +200,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -210,7 +210,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -242,8 +242,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "query": query.encodeToJSON(),
         ])
 
@@ -255,7 +255,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -288,7 +288,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -298,7 +298,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -378,7 +378,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -388,7 +388,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -508,8 +508,8 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "enum_query_string_array": enumQueryStringArray?.encodeToJSON(),
             "enum_query_string": enumQueryString?.encodeToJSON(),
             "enum_query_integer": enumQueryInteger?.encodeToJSON(),
@@ -526,7 +526,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -569,8 +569,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "required_string_group": requiredStringGroup.encodeToJSON(),
             "required_int64_group": requiredInt64Group.encodeToJSON(),
             "string_group": stringGroup?.encodeToJSON(),
@@ -586,7 +586,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -618,7 +618,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: param)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -628,7 +628,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -668,7 +668,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -678,7 +678,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/FakeClassnameTags123API.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/FakeClassnameTags123API.swift
index fb3bb8ce00a7..d4d651664963 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/FakeClassnameTags123API.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/FakeClassnameTags123API.swift
@@ -41,7 +41,7 @@ open class FakeClassnameTags123API {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ open class FakeClassnameTags123API {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/PetAPI.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/PetAPI.swift
index 5cd3629127bf..a1fe0d12b1da 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/PetAPI.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/PetAPI.swift
@@ -40,7 +40,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -50,7 +50,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -90,7 +90,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "api_key": apiKey?.encodeToJSON(),
@@ -100,7 +100,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -145,8 +145,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "status": status.encodeToJSON(),
         ])
 
@@ -158,7 +158,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -196,8 +196,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "tags": tags.encodeToJSON(),
         ])
 
@@ -209,7 +209,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -248,7 +248,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -258,7 +258,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Pet>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -293,7 +293,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -303,7 +303,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -351,7 +351,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -361,7 +361,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -409,7 +409,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -419,7 +419,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -467,7 +467,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -477,7 +477,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/StoreAPI.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/StoreAPI.swift
index 95adcc200ae0..501f11f5f219 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/StoreAPI.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/StoreAPI.swift
@@ -41,7 +41,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -85,7 +85,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -95,7 +95,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<[String: Int]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -131,7 +131,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -141,7 +141,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -173,7 +173,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -183,7 +183,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/UserAPI.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/UserAPI.swift
index cfd30068a9db..254474014d31 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/UserAPI.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/APIs/UserAPI.swift
@@ -38,7 +38,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -48,7 +48,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -80,7 +80,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -90,7 +90,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -122,7 +122,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -132,7 +132,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -168,7 +168,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -178,7 +178,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -213,7 +213,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -223,7 +223,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<User>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -258,8 +258,8 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "username": username.encodeToJSON(),
             "password": password.encodeToJSON(),
         ])
@@ -272,7 +272,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -302,7 +302,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -312,7 +312,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -350,7 +350,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -360,7 +360,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Extensions.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Extensions.swift
index 93ed6b90b376..3aef2d1d6c54 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Extensions.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Extensions.swift
@@ -5,6 +5,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 extension Bool: JSONEncodable {
     func encodeToJSON() -> Any { return self as Any }
@@ -52,6 +53,12 @@ extension Array: JSONEncodable {
     }
 }
 
+extension Set: JSONEncodable {
+    func encodeToJSON() -> Any {
+        return Array(self).encodeToJSON()
+    }
+}
+
 extension Dictionary: JSONEncodable {
     func encodeToJSON() -> Any {
         var dictionary = [AnyHashable: Any]()
@@ -177,3 +184,44 @@ extension HTTPURLResponse {
         return Array(200 ..< 300).contains(statusCode)
     }
 }
+
+extension AnyCodable: Hashable {
+    public func hash(into hasher: inout Hasher) {
+        switch value {
+        case let value as Bool:
+            hasher.combine(value)
+        case let value as Int:
+            hasher.combine(value)
+        case let value as Int8:
+            hasher.combine(value)
+        case let value as Int16:
+            hasher.combine(value)
+        case let value as Int32:
+            hasher.combine(value)
+        case let value as Int64:
+            hasher.combine(value)
+        case let value as UInt:
+            hasher.combine(value)
+        case let value as UInt8:
+            hasher.combine(value)
+        case let value as UInt16:
+            hasher.combine(value)
+        case let value as UInt32:
+            hasher.combine(value)
+        case let value as UInt64:
+            hasher.combine(value)
+        case let value as Float:
+            hasher.combine(value)
+        case let value as Double:
+            hasher.combine(value)
+        case let value as String:
+            hasher.combine(value)
+        case let value as [String: AnyCodable]:
+            hasher.combine(value)
+        case let value as [AnyCodable]:
+            hasher.combine(value)
+        default:
+            hasher.combine(0)
+        }
+    }
+}
\ No newline at end of file
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/AdditionalPropertiesClass.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/AdditionalPropertiesClass.swift
index 733b7bc51594..9e198439a0a3 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/AdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/AdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct AdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Animal.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Animal.swift
index e57c8b471765..74cb98156291 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Animal.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Animal.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Animal: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/AnimalFarm.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/AnimalFarm.swift
index e09b0e9efdc8..b20b894a1adb 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/AnimalFarm.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/AnimalFarm.swift
@@ -6,5 +6,6 @@
 //
 
 import Foundation
+import AnyCodable
 
 public typealias AnimalFarm = [Animal]
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ApiResponse.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ApiResponse.swift
index 630992f6231e..f1c8bcecb7ce 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ApiResponse.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ApiResponse.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ApiResponse: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ArrayOfArrayOfNumberOnly.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ArrayOfArrayOfNumberOnly.swift
index 4710793fc9a6..a324a85d46a1 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ArrayOfArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ArrayOfArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ArrayOfNumberOnly.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ArrayOfNumberOnly.swift
index a41968d9b199..0c24cfde0ca3 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ArrayTest.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ArrayTest.swift
index f442ea725451..00202431a97d 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ArrayTest.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ArrayTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Capitalization.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Capitalization.swift
index 44b50bbe0063..914691c08492 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Capitalization.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Capitalization.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Capitalization: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Cat.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Cat.swift
index c6bf4460da6e..878079f4255e 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Cat.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Cat.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Cat: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/CatAllOf.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/CatAllOf.swift
index f9484f9bc8fd..9e824dce4d82 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/CatAllOf.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/CatAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct CatAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Category.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Category.swift
index 6a19bb02d0df..22e0dbb91c20 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Category.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Category.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Category: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Client.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Client.swift
index 1464b047c06a..2ba76790800a 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Client.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Client.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Client: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Dog.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Dog.swift
index 5aed7834d537..d350a1d0f17c 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Dog.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Dog.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Dog: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/DogAllOf.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/DogAllOf.swift
index 716776261d30..b2b88b324638 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/DogAllOf.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/DogAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct DogAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/EnumArrays.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/EnumArrays.swift
index aa13aa59f86a..6398a1361271 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/EnumArrays.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/EnumArrays.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumArrays: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/EnumClass.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/EnumClass.swift
index d4029d73f8af..ab01cf297f8e 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/EnumClass.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/EnumClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum EnumClass: String, Codable, CaseIterable {
     case abc = "_abc"
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/EnumTest.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/EnumTest.swift
index 8b62febdc959..ba813e27a597 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/EnumTest.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/EnumTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/File.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/File.swift
index aa14d762394d..38fcb14eba97 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/File.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/File.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Must be named &#x60;File&#x60; for test. */
 public struct File: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/FileSchemaTestClass.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/FileSchemaTestClass.swift
index 85987709776e..daf953b587ab 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/FileSchemaTestClass.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/FileSchemaTestClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FileSchemaTestClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/FormatTest.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/FormatTest.swift
index f09cb471b360..0d2cba9c3941 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/FormatTest.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/FormatTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FormatTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/HasOnlyReadOnly.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/HasOnlyReadOnly.swift
index 03d35274a4ee..5c025f8ba16d 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/HasOnlyReadOnly.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/HasOnlyReadOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct HasOnlyReadOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/List.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/List.swift
index f8f08e4c6c44..c20e683ee82e 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/List.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/List.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct List: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/MapTest.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/MapTest.swift
index bd4e7b97e81b..d7dc8dce1af1 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/MapTest.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/MapTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MapTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/MixedPropertiesAndAdditionalPropertiesClass.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
index 80c1781a2bfc..73fa72a0c541 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MixedPropertiesAndAdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Name.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Name.swift
index 49cc57544179..44d61f95059b 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Name.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Name.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name same as property name */
 public struct Name: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/NumberOnly.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/NumberOnly.swift
index 6b024294e288..2955c7100921 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/NumberOnly.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/NumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct NumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Order.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Order.swift
index 8ef7cb79e2c8..8e7ae039b621 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Order.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Order.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Order: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/OuterComposite.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/OuterComposite.swift
index 9865764ff9bb..8d05ecbb528a 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/OuterComposite.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/OuterComposite.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct OuterComposite: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/OuterEnum.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/OuterEnum.swift
index c3b778cbbed4..9bd6f3bef8f6 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/OuterEnum.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/OuterEnum.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum OuterEnum: String, Codable, CaseIterable {
     case placed = "placed"
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Pet.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Pet.swift
index 1bc823d3e960..c79a8df67079 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Pet.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Pet.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Pet: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ReadOnlyFirst.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ReadOnlyFirst.swift
index 03b5b0dbf02b..74ede03225be 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ReadOnlyFirst.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/ReadOnlyFirst.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ReadOnlyFirst: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/SpecialModelName.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/SpecialModelName.swift
index cb82d2ae3adc..7c3844e63389 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/SpecialModelName.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/SpecialModelName.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct SpecialModelName: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/StringBooleanMap.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/StringBooleanMap.swift
index 77ab81f5f341..888865c1429d 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/StringBooleanMap.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/StringBooleanMap.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct StringBooleanMap: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Tag.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Tag.swift
index 8b8e24fc39c0..dc95f0ba9d2d 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Tag.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/Tag.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Tag: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/TypeHolderDefault.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/TypeHolderDefault.swift
index f1920ef37788..2d3c016bf6a2 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/TypeHolderDefault.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/TypeHolderDefault.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderDefault: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/TypeHolderExample.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/TypeHolderExample.swift
index 1a23c1b486b8..1ef4ed92ab73 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/TypeHolderExample.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/TypeHolderExample.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderExample: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/User.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/User.swift
index f3b4f6bb958a..af5b72010486 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/User.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/Models/User.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct User: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/AnotherFakeAPI.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/AnotherFakeAPI.swift
index 24b0015a270d..72b89640eeb4 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/AnotherFakeAPI.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/AnotherFakeAPI.swift
@@ -38,7 +38,7 @@ open class AnotherFakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -48,7 +48,7 @@ open class AnotherFakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/FakeAPI.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/FakeAPI.swift
index 58c4b8a093ce..cf92424d9cc1 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/FakeAPI.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/FakeAPI.swift
@@ -36,7 +36,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -46,7 +46,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Bool>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -77,7 +77,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -87,7 +87,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<OuterComposite>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -118,7 +118,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -128,7 +128,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Double>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -159,7 +159,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -169,7 +169,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -200,7 +200,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -210,7 +210,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -242,8 +242,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "query": query.encodeToJSON(),
         ])
 
@@ -255,7 +255,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -288,7 +288,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -298,7 +298,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -378,7 +378,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -388,7 +388,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -508,8 +508,8 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "enum_query_string_array": enumQueryStringArray?.encodeToJSON(),
             "enum_query_string": enumQueryString?.encodeToJSON(),
             "enum_query_integer": enumQueryInteger?.encodeToJSON(),
@@ -526,7 +526,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -569,8 +569,8 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "required_string_group": requiredStringGroup.encodeToJSON(),
             "required_int64_group": requiredInt64Group.encodeToJSON(),
             "string_group": stringGroup?.encodeToJSON(),
@@ -586,7 +586,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -618,7 +618,7 @@ open class FakeAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: param)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -628,7 +628,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -668,7 +668,7 @@ open class FakeAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -678,7 +678,7 @@ open class FakeAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/FakeClassnameTags123API.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/FakeClassnameTags123API.swift
index fb3bb8ce00a7..d4d651664963 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/FakeClassnameTags123API.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/FakeClassnameTags123API.swift
@@ -41,7 +41,7 @@ open class FakeClassnameTags123API {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ open class FakeClassnameTags123API {
 
         let requestBuilder: RequestBuilder<Client>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "PATCH", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PATCH", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/PetAPI.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/PetAPI.swift
index 5cd3629127bf..a1fe0d12b1da 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/PetAPI.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/PetAPI.swift
@@ -40,7 +40,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -50,7 +50,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -90,7 +90,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "api_key": apiKey?.encodeToJSON(),
@@ -100,7 +100,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -145,8 +145,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "status": status.encodeToJSON(),
         ])
 
@@ -158,7 +158,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -196,8 +196,8 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "tags": tags.encodeToJSON(),
         ])
 
@@ -209,7 +209,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<[Pet]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -248,7 +248,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -258,7 +258,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Pet>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -293,7 +293,7 @@ open class PetAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -303,7 +303,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -351,7 +351,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "application/x-www-form-urlencoded",
@@ -361,7 +361,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -409,7 +409,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -419,7 +419,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -467,7 +467,7 @@ open class PetAPI {
         let nonNullParameters = APIHelper.rejectNil(formParams)
         let parameters = APIHelper.convertBoolToString(nonNullParameters)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             "Content-Type": "multipart/form-data",
@@ -477,7 +477,7 @@ open class PetAPI {
 
         let requestBuilder: RequestBuilder<ApiResponse>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/StoreAPI.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/StoreAPI.swift
index 95adcc200ae0..501f11f5f219 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/StoreAPI.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/StoreAPI.swift
@@ -41,7 +41,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -51,7 +51,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -85,7 +85,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -95,7 +95,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<[String: Int]>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -131,7 +131,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -141,7 +141,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -173,7 +173,7 @@ open class StoreAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -183,7 +183,7 @@ open class StoreAPI {
 
         let requestBuilder: RequestBuilder<Order>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/UserAPI.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/UserAPI.swift
index cfd30068a9db..254474014d31 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/UserAPI.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/APIs/UserAPI.swift
@@ -38,7 +38,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -48,7 +48,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -80,7 +80,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -90,7 +90,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -122,7 +122,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -132,7 +132,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "POST", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "POST", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -168,7 +168,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -178,7 +178,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "DELETE", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "DELETE", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -213,7 +213,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -223,7 +223,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<User>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -258,8 +258,8 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        var url = URLComponents(string: URLString)
-        url?.queryItems = APIHelper.mapValuesToQueryItems([
+        var urlComponents = URLComponents(string: URLString)
+        urlComponents?.queryItems = APIHelper.mapValuesToQueryItems([
             "username": username.encodeToJSON(),
             "password": password.encodeToJSON(),
         ])
@@ -272,7 +272,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<String>.Type = PetstoreClientAPI.requestBuilderFactory.getBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -302,7 +302,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters: [String: Any]? = nil
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -312,7 +312,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "GET", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "GET", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
     /**
@@ -350,7 +350,7 @@ open class UserAPI {
         let URLString = PetstoreClientAPI.basePath + path
         let parameters = JSONEncodingHelper.encodingParameters(forEncodableObject: body)
 
-        let url = URLComponents(string: URLString)
+        let urlComponents = URLComponents(string: URLString)
 
         let nillableHeaders: [String: Any?] = [
             :
@@ -360,7 +360,7 @@ open class UserAPI {
 
         let requestBuilder: RequestBuilder<Void>.Type = PetstoreClientAPI.requestBuilderFactory.getNonDecodableBuilder()
 
-        return requestBuilder.init(method: "PUT", URLString: (url?.string ?? URLString), parameters: parameters, headers: headerParameters)
+        return requestBuilder.init(method: "PUT", URLString: (urlComponents?.string ?? URLString), parameters: parameters, headers: headerParameters)
     }
 
 }
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Extensions.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Extensions.swift
index 93ed6b90b376..3aef2d1d6c54 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Extensions.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Extensions.swift
@@ -5,6 +5,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 extension Bool: JSONEncodable {
     func encodeToJSON() -> Any { return self as Any }
@@ -52,6 +53,12 @@ extension Array: JSONEncodable {
     }
 }
 
+extension Set: JSONEncodable {
+    func encodeToJSON() -> Any {
+        return Array(self).encodeToJSON()
+    }
+}
+
 extension Dictionary: JSONEncodable {
     func encodeToJSON() -> Any {
         var dictionary = [AnyHashable: Any]()
@@ -177,3 +184,44 @@ extension HTTPURLResponse {
         return Array(200 ..< 300).contains(statusCode)
     }
 }
+
+extension AnyCodable: Hashable {
+    public func hash(into hasher: inout Hasher) {
+        switch value {
+        case let value as Bool:
+            hasher.combine(value)
+        case let value as Int:
+            hasher.combine(value)
+        case let value as Int8:
+            hasher.combine(value)
+        case let value as Int16:
+            hasher.combine(value)
+        case let value as Int32:
+            hasher.combine(value)
+        case let value as Int64:
+            hasher.combine(value)
+        case let value as UInt:
+            hasher.combine(value)
+        case let value as UInt8:
+            hasher.combine(value)
+        case let value as UInt16:
+            hasher.combine(value)
+        case let value as UInt32:
+            hasher.combine(value)
+        case let value as UInt64:
+            hasher.combine(value)
+        case let value as Float:
+            hasher.combine(value)
+        case let value as Double:
+            hasher.combine(value)
+        case let value as String:
+            hasher.combine(value)
+        case let value as [String: AnyCodable]:
+            hasher.combine(value)
+        case let value as [AnyCodable]:
+            hasher.combine(value)
+        default:
+            hasher.combine(0)
+        }
+    }
+}
\ No newline at end of file
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/AdditionalPropertiesClass.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/AdditionalPropertiesClass.swift
index 733b7bc51594..9e198439a0a3 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/AdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/AdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct AdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Animal.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Animal.swift
index e57c8b471765..74cb98156291 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Animal.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Animal.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Animal: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/AnimalFarm.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/AnimalFarm.swift
index e09b0e9efdc8..b20b894a1adb 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/AnimalFarm.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/AnimalFarm.swift
@@ -6,5 +6,6 @@
 //
 
 import Foundation
+import AnyCodable
 
 public typealias AnimalFarm = [Animal]
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ApiResponse.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ApiResponse.swift
index 630992f6231e..f1c8bcecb7ce 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ApiResponse.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ApiResponse.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ApiResponse: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ArrayOfArrayOfNumberOnly.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ArrayOfArrayOfNumberOnly.swift
index 4710793fc9a6..a324a85d46a1 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ArrayOfArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ArrayOfArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ArrayOfNumberOnly.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ArrayOfNumberOnly.swift
index a41968d9b199..0c24cfde0ca3 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ArrayOfNumberOnly.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ArrayOfNumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayOfNumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ArrayTest.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ArrayTest.swift
index f442ea725451..00202431a97d 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ArrayTest.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ArrayTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ArrayTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Capitalization.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Capitalization.swift
index 44b50bbe0063..914691c08492 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Capitalization.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Capitalization.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Capitalization: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Cat.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Cat.swift
index c6bf4460da6e..878079f4255e 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Cat.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Cat.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Cat: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/CatAllOf.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/CatAllOf.swift
index f9484f9bc8fd..9e824dce4d82 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/CatAllOf.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/CatAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct CatAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Category.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Category.swift
index 6a19bb02d0df..22e0dbb91c20 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Category.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Category.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Category: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ClassModel.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ClassModel.swift
index 5c8e8882831f..3915fc497b62 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ClassModel.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ClassModel.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model with \&quot;_class\&quot; property */
 public struct ClassModel: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Client.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Client.swift
index 1464b047c06a..2ba76790800a 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Client.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Client.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Client: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Dog.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Dog.swift
index 5aed7834d537..d350a1d0f17c 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Dog.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Dog.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Dog: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/DogAllOf.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/DogAllOf.swift
index 716776261d30..b2b88b324638 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/DogAllOf.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/DogAllOf.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct DogAllOf: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/EnumArrays.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/EnumArrays.swift
index aa13aa59f86a..6398a1361271 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/EnumArrays.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/EnumArrays.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumArrays: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/EnumClass.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/EnumClass.swift
index d4029d73f8af..ab01cf297f8e 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/EnumClass.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/EnumClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum EnumClass: String, Codable, CaseIterable {
     case abc = "_abc"
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/EnumTest.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/EnumTest.swift
index 8b62febdc959..ba813e27a597 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/EnumTest.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/EnumTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct EnumTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/File.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/File.swift
index aa14d762394d..38fcb14eba97 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/File.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/File.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Must be named &#x60;File&#x60; for test. */
 public struct File: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/FileSchemaTestClass.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/FileSchemaTestClass.swift
index 85987709776e..daf953b587ab 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/FileSchemaTestClass.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/FileSchemaTestClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FileSchemaTestClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/FormatTest.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/FormatTest.swift
index f09cb471b360..0d2cba9c3941 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/FormatTest.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/FormatTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct FormatTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/HasOnlyReadOnly.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/HasOnlyReadOnly.swift
index 03d35274a4ee..5c025f8ba16d 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/HasOnlyReadOnly.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/HasOnlyReadOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct HasOnlyReadOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/List.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/List.swift
index f8f08e4c6c44..c20e683ee82e 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/List.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/List.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct List: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/MapTest.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/MapTest.swift
index bd4e7b97e81b..d7dc8dce1af1 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/MapTest.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/MapTest.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MapTest: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/MixedPropertiesAndAdditionalPropertiesClass.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
index 80c1781a2bfc..73fa72a0c541 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/MixedPropertiesAndAdditionalPropertiesClass.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct MixedPropertiesAndAdditionalPropertiesClass: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Model200Response.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Model200Response.swift
index d36d4e27352a..baf6ab8603c9 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Model200Response.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Model200Response.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name starting with number */
 public struct Model200Response: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Name.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Name.swift
index 49cc57544179..44d61f95059b 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Name.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Name.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing model name same as property name */
 public struct Name: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/NumberOnly.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/NumberOnly.swift
index 6b024294e288..2955c7100921 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/NumberOnly.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/NumberOnly.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct NumberOnly: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Order.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Order.swift
index 8ef7cb79e2c8..8e7ae039b621 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Order.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Order.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Order: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/OuterComposite.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/OuterComposite.swift
index 9865764ff9bb..8d05ecbb528a 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/OuterComposite.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/OuterComposite.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct OuterComposite: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/OuterEnum.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/OuterEnum.swift
index c3b778cbbed4..9bd6f3bef8f6 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/OuterEnum.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/OuterEnum.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public enum OuterEnum: String, Codable, CaseIterable {
     case placed = "placed"
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Pet.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Pet.swift
index 1bc823d3e960..c79a8df67079 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Pet.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Pet.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Pet: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ReadOnlyFirst.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ReadOnlyFirst.swift
index 03b5b0dbf02b..74ede03225be 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ReadOnlyFirst.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/ReadOnlyFirst.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct ReadOnlyFirst: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Return.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Return.swift
index 5f539f461843..baf832a256b3 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Return.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Return.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 /** Model for testing reserved words */
 public struct Return: Codable, Hashable {
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/SpecialModelName.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/SpecialModelName.swift
index cb82d2ae3adc..7c3844e63389 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/SpecialModelName.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/SpecialModelName.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct SpecialModelName: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/StringBooleanMap.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/StringBooleanMap.swift
index 77ab81f5f341..888865c1429d 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/StringBooleanMap.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/StringBooleanMap.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct StringBooleanMap: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Tag.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Tag.swift
index 8b8e24fc39c0..dc95f0ba9d2d 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Tag.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/Tag.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct Tag: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/TypeHolderDefault.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/TypeHolderDefault.swift
index f1920ef37788..2d3c016bf6a2 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/TypeHolderDefault.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/TypeHolderDefault.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderDefault: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/TypeHolderExample.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/TypeHolderExample.swift
index 1a23c1b486b8..1ef4ed92ab73 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/TypeHolderExample.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/TypeHolderExample.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct TypeHolderExample: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/User.swift b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/User.swift
index f3b4f6bb958a..af5b72010486 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/User.swift
+++ b/samples/client/petstore/swift5/urlsessionLibrary/Sources/PetstoreClient/Models/User.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import AnyCodable
 
 public struct User: Codable, Hashable {
 
diff --git a/samples/client/petstore/swift5/urlsessionLibrary/project.yml b/samples/client/petstore/swift5/urlsessionLibrary/project.yml
index 8d7dc23858cd..8280cd17d31e 100644
--- a/samples/client/petstore/swift5/urlsessionLibrary/project.yml
+++ b/samples/client/petstore/swift5/urlsessionLibrary/project.yml
@@ -12,3 +12,4 @@ targets:
       APPLICATION_EXTENSION_API_ONLY: true
     scheme: {}
     
+    - carthage: AnyCodable