diff --git a/src/harness/fourslash.ts b/src/harness/fourslash.ts
index d6035aaa026d2..c237734e1df13 100644
--- a/src/harness/fourslash.ts
+++ b/src/harness/fourslash.ts
@@ -1968,12 +1968,12 @@ namespace FourSlash {
             }
         }
 
-        public verifyGetScriptLexicalStructureListCount(expected: number) {
+        public verifyNavigationBarCount(expected: number) {
             const items = this.languageService.getNavigationBarItems(this.activeFile.fileName);
             const actual = this.getNavigationBarItemsCount(items);
 
             if (expected !== actual) {
-                this.raiseError(`verifyGetScriptLexicalStructureListCount failed - found: ${actual} navigation items, expected: ${expected}.`);
+                this.raiseError(`verifyNavigationBarCount failed - found: ${actual} navigation items, expected: ${expected}.`);
             }
         }
 
@@ -1989,19 +1989,19 @@ namespace FourSlash {
             return result;
         }
 
-        public verifyGetScriptLexicalStructureListContains(name: string, kind: string) {
+        public verifyNavigationBarContains(name: string, kind: string) {
             const items = this.languageService.getNavigationBarItems(this.activeFile.fileName);
 
             if (!items || items.length === 0) {
-                this.raiseError("verifyGetScriptLexicalStructureListContains failed - found 0 navigation items, expected at least one.");
+                this.raiseError("verifyNavigationBarContains failed - found 0 navigation items, expected at least one.");
             }
 
             if (this.navigationBarItemsContains(items, name, kind)) {
                 return;
             }
 
-            const missingItem = { name: name, kind: kind };
-            this.raiseError(`verifyGetScriptLexicalStructureListContains failed - could not find the item: ${JSON.stringify(missingItem, undefined, 2)} in the returned list: (${JSON.stringify(items, undefined, 2)})`);
+            const missingItem = { name, kind };
+            this.raiseError(`verifyNavigationBarContains failed - could not find the item: ${JSON.stringify(missingItem, undefined, 2)} in the returned list: (${JSON.stringify(items, undefined, 2)})`);
         }
 
         private navigationBarItemsContains(items: ts.NavigationBarItem[], name: string, kind: string) {
@@ -2021,6 +2021,20 @@ namespace FourSlash {
             return false;
         }
 
+        public verifyNavigationBarChildItem(parent: string, name: string, kind: string) {
+            const items = this.languageService.getNavigationBarItems(this.activeFile.fileName);
+
+            for (let i = 0; i < items.length; i++) {
+                const item = items[i];
+                if (item.text === parent) {
+                    if (this.navigationBarItemsContains(item.childItems, name, kind))
+                        return;
+                    const missingItem = { name, kind };
+                    this.raiseError(`verifyNavigationBarChildItem failed - could not find the item: ${JSON.stringify(missingItem)} in the children list: (${JSON.stringify(item.childItems, undefined, 2)})`);
+                }
+            }
+        }
+
         public printNavigationItems(searchValue: string) {
             const items = this.languageService.getNavigateToItems(searchValue);
             const length = items && items.length;
@@ -2033,11 +2047,11 @@ namespace FourSlash {
             }
         }
 
-        public printScriptLexicalStructureItems() {
+        public printNavigationBar() {
             const items = this.languageService.getNavigationBarItems(this.activeFile.fileName);
             const length = items && items.length;
 
-            Harness.IO.log(`NavigationItems list (${length} items)`);
+            Harness.IO.log(`Navigation bar (${length} items)`);
 
             for (let i = 0; i < length; i++) {
                 const item = items[i];
@@ -3029,19 +3043,23 @@ namespace FourSlashInterface {
             this.DocCommentTemplate(/*expectedText*/ undefined, /*expectedOffset*/ undefined, /*empty*/ true);
         }
 
-        public getScriptLexicalStructureListCount(count: number) {
-            this.state.verifyGetScriptLexicalStructureListCount(count);
+        public navigationBarCount(count: number) {
+            this.state.verifyNavigationBarCount(count);
         }
 
         // TODO: figure out what to do with the unused arguments.
-        public getScriptLexicalStructureListContains(
+        public navigationBarContains(
             name: string,
             kind: string,
             fileName?: string,
             parentName?: string,
             isAdditionalSpan?: boolean,
             markerPosition?: number) {
-            this.state.verifyGetScriptLexicalStructureListContains(name, kind);
+            this.state.verifyNavigationBarContains(name, kind);
+        }
+
+        public navigationBarChildItem(parent: string, name: string, kind: string) {
+            this.state.verifyNavigationBarChildItem(parent, name, kind);
         }
 
         public navigationItemsListCount(count: number, searchValue: string, matchKind?: string) {
@@ -3234,8 +3252,8 @@ namespace FourSlashInterface {
             this.state.printNavigationItems(searchValue);
         }
 
-        public printScriptLexicalStructureItems() {
-            this.state.printScriptLexicalStructureItems();
+        public printNavigationBar() {
+            this.state.printNavigationBar();
         }
 
         public printReferences() {
diff --git a/tests/cases/fourslash/deleteClassWithEnumPresent.ts b/tests/cases/fourslash/deleteClassWithEnumPresent.ts
index 2b7a02ec717b8..29f7c61e25991 100644
--- a/tests/cases/fourslash/deleteClassWithEnumPresent.ts
+++ b/tests/cases/fourslash/deleteClassWithEnumPresent.ts
@@ -5,4 +5,4 @@
 
 goTo.marker();
 edit.deleteAtCaret('class Bar { }'.length);
-verify.getScriptLexicalStructureListContains('Foo', 'enum', 'tests/cases/fourslash/deleteClassWithEnumPresent.ts', '');
\ No newline at end of file
+verify.navigationBarContains('Foo', 'enum', 'tests/cases/fourslash/deleteClassWithEnumPresent.ts', '');
\ No newline at end of file
diff --git a/tests/cases/fourslash/fourslash.ts b/tests/cases/fourslash/fourslash.ts
index 48d69f0a85eb8..08883f163f2c9 100644
--- a/tests/cases/fourslash/fourslash.ts
+++ b/tests/cases/fourslash/fourslash.ts
@@ -175,8 +175,9 @@ declare namespace FourSlashInterface {
         DocCommentTemplate(expectedText: string, expectedOffset: number, empty?: boolean): void;
         noDocCommentTemplate(): void;
 
-        getScriptLexicalStructureListCount(count: number): void;
-        getScriptLexicalStructureListContains(name: string, kind: string, fileName?: string, parentName?: string, isAdditionalSpan?: boolean, markerPosition?: number): void;
+        navigationBarCount(count: number): void;
+        navigationBarContains(name: string, kind: string, fileName?: string, parentName?: string, isAdditionalSpan?: boolean, markerPosition?: number): void;
+        navigationBarChildItem(parent: string, text: string, kind: string): void;
         navigationItemsListCount(count: number, searchValue: string, matchKind?: string): void;
         navigationItemsListContains(name: string, kind: string, searchValue: string, matchKind: string, fileName?: string, parentName?: string): void;
         occurrencesAtPositionContains(range: Range, isWriteAccess?: boolean): void;
@@ -236,6 +237,7 @@ declare namespace FourSlashInterface {
         printBreakpointAtCurrentLocation(): void;
         printNameOrDottedNameSpans(pos: number): void;
         printErrorList(): void;
+        printNavigationBar(): void;
         printNavigationItems(searchValue?: string): void;
         printScriptLexicalStructureItems(): void;
         printReferences(): void;
diff --git a/tests/cases/fourslash/getNavigationBarItems.ts b/tests/cases/fourslash/getNavigationBarItems.ts
new file mode 100644
index 0000000000000..8e9b8de5b051c
--- /dev/null
+++ b/tests/cases/fourslash/getNavigationBarItems.ts
@@ -0,0 +1,11 @@
+/// <reference path="fourslash.ts" />
+
+////class C {
+////    foo;
+////    ["bar"]: string;
+////}
+
+verify.navigationBarCount(3);
+verify.navigationBarContains("C", "class");
+verify.navigationBarChildItem("C", "[\"bar\"]", "property");
+verify.navigationBarChildItem("C", "foo", "property");
diff --git a/tests/cases/fourslash/navbar_const.ts b/tests/cases/fourslash/navbar_const.ts
index 6c0738747f37c..a2cdb80baef50 100644
--- a/tests/cases/fourslash/navbar_const.ts
+++ b/tests/cases/fourslash/navbar_const.ts
@@ -3,7 +3,7 @@
 //// {| "itemName": "c", "kind": "const", "parentName": "" |}const c = 0;
 
 test.markers().forEach(marker => {
-    verify.getScriptLexicalStructureListContains(
+    verify.navigationBarContains(
         marker.data.itemName,
         marker.data.kind,
         marker.fileName,
diff --git a/tests/cases/fourslash/navbar_contains-no-duplicates.ts b/tests/cases/fourslash/navbar_contains-no-duplicates.ts
index 49d570ed770e9..4c612136b55cc 100644
--- a/tests/cases/fourslash/navbar_contains-no-duplicates.ts
+++ b/tests/cases/fourslash/navbar_contains-no-duplicates.ts
@@ -29,7 +29,7 @@
 
 test.markers().forEach(marker => {
     if (marker.data) {
-        verify.getScriptLexicalStructureListContains(
+        verify.navigationBarContains(
             marker.data.itemName,
             marker.data.kind,
             marker.fileName,
@@ -38,4 +38,4 @@ test.markers().forEach(marker => {
             marker.position);
     }
 });
-verify.getScriptLexicalStructureListCount(12);
\ No newline at end of file
+verify.navigationBarCount(12);
\ No newline at end of file
diff --git a/tests/cases/fourslash/navbar_exportDefault.ts b/tests/cases/fourslash/navbar_exportDefault.ts
index a8fe854fa2889..a56eeb8b2260a 100644
--- a/tests/cases/fourslash/navbar_exportDefault.ts
+++ b/tests/cases/fourslash/navbar_exportDefault.ts
@@ -14,7 +14,7 @@
 
 test.markers().forEach(marker => {
     goTo.file(marker.fileName);
-    verify.getScriptLexicalStructureListContains(
+    verify.navigationBarContains(
         marker.data.itemName,
         marker.data.kind,
         marker.fileName,
diff --git a/tests/cases/fourslash/navbar_let.ts b/tests/cases/fourslash/navbar_let.ts
index 841382abc5397..c3b125526efdd 100644
--- a/tests/cases/fourslash/navbar_let.ts
+++ b/tests/cases/fourslash/navbar_let.ts
@@ -3,7 +3,7 @@
 //// {| "itemName": "c", "kind": "let", "parentName": "" |}let c = 0;
 
 test.markers().forEach(marker => {
-    verify.getScriptLexicalStructureListContains(
+    verify.navigationBarContains(
         marker.data.itemName,
         marker.data.kind,
         marker.fileName,
diff --git a/tests/cases/fourslash/navigationBarItemsBindingPatterns.ts b/tests/cases/fourslash/navigationBarItemsBindingPatterns.ts
index 2b363bfad3b6d..afac15daacc8a 100644
--- a/tests/cases/fourslash/navigationBarItemsBindingPatterns.ts
+++ b/tests/cases/fourslash/navigationBarItemsBindingPatterns.ts
@@ -6,16 +6,16 @@
 ////const bar1, [c, d]
 ////var {e, x: [f, g]} = {a:1, x:[]};
 
-verify.getScriptLexicalStructureListCount(12); // global (1) + variable declarations (4) + binding patterns (7)
-verify.getScriptLexicalStructureListContains("foo", "var");
-verify.getScriptLexicalStructureListContains("bar", "var");
-verify.getScriptLexicalStructureListContains("foo1", "let")
-verify.getScriptLexicalStructureListContains("a", "let");
-verify.getScriptLexicalStructureListContains("b", "let");
-verify.getScriptLexicalStructureListContains("bar1", "const");
-verify.getScriptLexicalStructureListContains("c", "const");
-verify.getScriptLexicalStructureListContains("d", "const");
-verify.getScriptLexicalStructureListContains("e", "var");
-verify.getScriptLexicalStructureListContains("f", "var");
-verify.getScriptLexicalStructureListContains("g", "var");
+verify.navigationBarCount(12); // global (1) + variable declarations (4) + binding patterns (7)
+verify.navigationBarContains("foo", "var");
+verify.navigationBarContains("bar", "var");
+verify.navigationBarContains("foo1", "let")
+verify.navigationBarContains("a", "let");
+verify.navigationBarContains("b", "let");
+verify.navigationBarContains("bar1", "const");
+verify.navigationBarContains("c", "const");
+verify.navigationBarContains("d", "const");
+verify.navigationBarContains("e", "var");
+verify.navigationBarContains("f", "var");
+verify.navigationBarContains("g", "var");
 
diff --git a/tests/cases/fourslash/navigationBarItemsBindingPatternsInConstructor.ts b/tests/cases/fourslash/navigationBarItemsBindingPatternsInConstructor.ts
index c496a0281e3a1..84c1d09efe7fb 100644
--- a/tests/cases/fourslash/navigationBarItemsBindingPatternsInConstructor.ts
+++ b/tests/cases/fourslash/navigationBarItemsBindingPatternsInConstructor.ts
@@ -11,4 +11,4 @@
 ////    }
 ////}
 
-verify.getScriptLexicalStructureListCount(6); // 2x(class + field + constructor)
+verify.navigationBarCount(6); // 2x(class + field + constructor)
diff --git a/tests/cases/fourslash/navigationBarItemsEmptyConstructors.ts b/tests/cases/fourslash/navigationBarItemsEmptyConstructors.ts
index 570b2f7518c11..2255d29e293b8 100644
--- a/tests/cases/fourslash/navigationBarItemsEmptyConstructors.ts
+++ b/tests/cases/fourslash/navigationBarItemsEmptyConstructors.ts
@@ -5,8 +5,8 @@
 ////    }
 ////}
 
-verify.getScriptLexicalStructureListContains("Test", "class");
-verify.getScriptLexicalStructureListContains("constructor", "constructor");
+verify.navigationBarContains("Test", "class");
+verify.navigationBarContains("constructor", "constructor");
 
 // no other items
-verify.getScriptLexicalStructureListCount(2);
\ No newline at end of file
+verify.navigationBarCount(2);
\ No newline at end of file
diff --git a/tests/cases/fourslash/navigationBarItemsExports.ts b/tests/cases/fourslash/navigationBarItemsExports.ts
index d9db125b9b0a8..b88b60d0efbde 100644
--- a/tests/cases/fourslash/navigationBarItemsExports.ts
+++ b/tests/cases/fourslash/navigationBarItemsExports.ts
@@ -11,8 +11,8 @@
 
 test.markers().forEach((marker) => {
     if (marker.data) {
-        verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
+        verify.navigationBarContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
     }
 });
 
-verify.getScriptLexicalStructureListCount(4);
+verify.navigationBarCount(4);
diff --git a/tests/cases/fourslash/navigationBarItemsFunctions.ts b/tests/cases/fourslash/navigationBarItemsFunctions.ts
index b683790c60da0..0948923c0461f 100644
--- a/tests/cases/fourslash/navigationBarItemsFunctions.ts
+++ b/tests/cases/fourslash/navigationBarItemsFunctions.ts
@@ -17,7 +17,7 @@
 ////}
 
 test.markers().forEach((marker) => {
-    verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
+    verify.navigationBarContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
 });
 
-verify.getScriptLexicalStructureListCount(8); // 4 functions + global.  Note: there are 8 because of the functions show up at the top level and as child items.
+verify.navigationBarCount(8); // 4 functions + global.  Note: there are 8 because of the functions show up at the top level and as child items.
diff --git a/tests/cases/fourslash/navigationBarItemsFunctionsBroken.ts b/tests/cases/fourslash/navigationBarItemsFunctionsBroken.ts
index 7846a9723d158..e8bf1d33fc3dc 100644
--- a/tests/cases/fourslash/navigationBarItemsFunctionsBroken.ts
+++ b/tests/cases/fourslash/navigationBarItemsFunctionsBroken.ts
@@ -6,7 +6,7 @@
 ////}
 
 test.markers().forEach((marker) => {
-    verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
+    verify.navigationBarContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
 });
 
-verify.getScriptLexicalStructureListCount(3); // <global> and 'f'. 
\ No newline at end of file
+verify.navigationBarCount(3); // <global> and 'f'. 
\ No newline at end of file
diff --git a/tests/cases/fourslash/navigationBarItemsFunctionsBroken2.ts b/tests/cases/fourslash/navigationBarItemsFunctionsBroken2.ts
index 50bf91e02d649..9576d4dd78964 100644
--- a/tests/cases/fourslash/navigationBarItemsFunctionsBroken2.ts
+++ b/tests/cases/fourslash/navigationBarItemsFunctionsBroken2.ts
@@ -7,7 +7,7 @@
 ////}
 
 test.markers().forEach((marker) => {
-    verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
+    verify.navigationBarContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
 });
 
-verify.getScriptLexicalStructureListCount(3); // <global> and 'f'
\ No newline at end of file
+verify.navigationBarCount(3); // <global> and 'f'
\ No newline at end of file
diff --git a/tests/cases/fourslash/navigationBarItemsImports.ts b/tests/cases/fourslash/navigationBarItemsImports.ts
index 8b0d02bd9f574..53619da310a6e 100644
--- a/tests/cases/fourslash/navigationBarItemsImports.ts
+++ b/tests/cases/fourslash/navigationBarItemsImports.ts
@@ -18,8 +18,8 @@
 
 test.markers().forEach((marker) => {
     if (marker.data) {
-        verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
+        verify.navigationBarContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
     }
 });
 
-verify.getScriptLexicalStructureListCount(9);
+verify.navigationBarCount(9);
diff --git a/tests/cases/fourslash/navigationBarItemsInsideMethodsAndConstructors.ts b/tests/cases/fourslash/navigationBarItemsInsideMethodsAndConstructors.ts
index 4dcca43af356d..7aaa3d7f5a2f2 100644
--- a/tests/cases/fourslash/navigationBarItemsInsideMethodsAndConstructors.ts
+++ b/tests/cases/fourslash/navigationBarItemsInsideMethodsAndConstructors.ts
@@ -35,8 +35,8 @@
 ////}
 
 test.markers().forEach((marker) => {
-    verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
+    verify.navigationBarContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
 });
 
 // no other items
-verify.getScriptLexicalStructureListCount(17);
+verify.navigationBarCount(17);
diff --git a/tests/cases/fourslash/navigationBarItemsItems.ts b/tests/cases/fourslash/navigationBarItemsItems.ts
index 67e14fe100965..3804a0dab5504 100644
--- a/tests/cases/fourslash/navigationBarItemsItems.ts
+++ b/tests/cases/fourslash/navigationBarItemsItems.ts
@@ -45,8 +45,8 @@
 
 test.markers().forEach((marker) => {
     if (marker.data) {
-        verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
+        verify.navigationBarContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
     }
 });
 
-verify.getScriptLexicalStructureListCount(23);
+verify.navigationBarCount(23);
diff --git a/tests/cases/fourslash/navigationBarItemsItems2.ts b/tests/cases/fourslash/navigationBarItemsItems2.ts
index 3b94260ddbdea..d4ffde5405193 100644
--- a/tests/cases/fourslash/navigationBarItemsItems2.ts
+++ b/tests/cases/fourslash/navigationBarItemsItems2.ts
@@ -8,5 +8,5 @@ edit.insertLine("module A");
 edit.insert("export class ");
 
 // should not crash
-verify.getScriptLexicalStructureListCount(2);
+verify.navigationBarCount(2);
 
diff --git a/tests/cases/fourslash/navigationBarItemsItemsContainsNoAnonymousFunctions.ts b/tests/cases/fourslash/navigationBarItemsItemsContainsNoAnonymousFunctions.ts
index b7430ad03de16..dac6e96ab931d 100644
--- a/tests/cases/fourslash/navigationBarItemsItemsContainsNoAnonymousFunctions.ts
+++ b/tests/cases/fourslash/navigationBarItemsItemsContainsNoAnonymousFunctions.ts
@@ -30,15 +30,15 @@
 ////}
 
 goTo.marker("file1");
-verify.getScriptLexicalStructureListCount(0);
+verify.navigationBarCount(0);
 
 goTo.marker("file2");
-verify.getScriptLexicalStructureListContains("<global>", "module");
-verify.getScriptLexicalStructureListContains("x", "var");
-verify.getScriptLexicalStructureListCount(2);
+verify.navigationBarContains("<global>", "module");
+verify.navigationBarContains("x", "var");
+verify.navigationBarCount(2);
 
 goTo.marker("file3");
-verify.getScriptLexicalStructureListContains("<global>", "module");
-verify.getScriptLexicalStructureListContains("foo", "function");
-verify.getScriptLexicalStructureListContains("bar", "function");
-verify.getScriptLexicalStructureListCount(5);
\ No newline at end of file
+verify.navigationBarContains("<global>", "module");
+verify.navigationBarContains("foo", "function");
+verify.navigationBarContains("bar", "function");
+verify.navigationBarCount(5);
\ No newline at end of file
diff --git a/tests/cases/fourslash/navigationBarItemsItemsExternalModules.ts b/tests/cases/fourslash/navigationBarItemsItemsExternalModules.ts
index 550f1aed783d6..64a595cafb19e 100644
--- a/tests/cases/fourslash/navigationBarItemsItemsExternalModules.ts
+++ b/tests/cases/fourslash/navigationBarItemsItemsExternalModules.ts
@@ -5,7 +5,7 @@
 ////}
 
 test.markers().forEach((marker) => {
-    verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
+    verify.navigationBarContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
 });
 
-verify.getScriptLexicalStructureListCount(2); // external module node + class + property
+verify.navigationBarCount(2); // external module node + class + property
diff --git a/tests/cases/fourslash/navigationBarItemsItemsExternalModules2.ts b/tests/cases/fourslash/navigationBarItemsItemsExternalModules2.ts
index b0bf6eb3fa298..7c1c32cff7645 100644
--- a/tests/cases/fourslash/navigationBarItemsItemsExternalModules2.ts
+++ b/tests/cases/fourslash/navigationBarItemsItemsExternalModules2.ts
@@ -9,7 +9,7 @@
 ////export var x: number;
 
 test.markers().forEach((marker) => {
-    verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
+    verify.navigationBarContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
 });
 
-verify.getScriptLexicalStructureListCount(4); // external module node + variable in module + class + property
+verify.navigationBarCount(4); // external module node + variable in module + class + property
diff --git a/tests/cases/fourslash/navigationBarItemsItemsExternalModules3.ts b/tests/cases/fourslash/navigationBarItemsItemsExternalModules3.ts
index 9ef49e38776ad..193da9ff47b27 100644
--- a/tests/cases/fourslash/navigationBarItemsItemsExternalModules3.ts
+++ b/tests/cases/fourslash/navigationBarItemsItemsExternalModules3.ts
@@ -9,7 +9,7 @@
 ////export var x: number;
 
 test.markers().forEach((marker) => {
-    verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
+    verify.navigationBarContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
 });
 
-verify.getScriptLexicalStructureListCount(4); // external module node + variable in module + class + property
+verify.navigationBarCount(4); // external module node + variable in module + class + property
diff --git a/tests/cases/fourslash/navigationBarItemsItemsModuleVariables.ts b/tests/cases/fourslash/navigationBarItemsItemsModuleVariables.ts
index 85bf609105c07..afc1acfb9cb01 100644
--- a/tests/cases/fourslash/navigationBarItemsItemsModuleVariables.ts
+++ b/tests/cases/fourslash/navigationBarItemsItemsModuleVariables.ts
@@ -19,12 +19,12 @@
 ////    export var z = 0;
 ////}
 goTo.marker("file1");
-verify.getScriptLexicalStructureListContains("Module1", "module");
-verify.getScriptLexicalStructureListContains("x", "var");
+verify.navigationBarContains("Module1", "module");
+verify.navigationBarContains("x", "var");
 // nothing else should show up
-verify.getScriptLexicalStructureListCount(2);
+verify.navigationBarCount(2);
 
 goTo.marker("file2");
-verify.getScriptLexicalStructureListContains("Module1.SubModule", "module");
-verify.getScriptLexicalStructureListContains("y", "var");
-verify.getScriptLexicalStructureListCount(2);
+verify.navigationBarContains("Module1.SubModule", "module");
+verify.navigationBarContains("y", "var");
+verify.navigationBarCount(2);
diff --git a/tests/cases/fourslash/navigationBarItemsMissingName1.ts b/tests/cases/fourslash/navigationBarItemsMissingName1.ts
index c5282d696f3bf..98321039c5af9 100644
--- a/tests/cases/fourslash/navigationBarItemsMissingName1.ts
+++ b/tests/cases/fourslash/navigationBarItemsMissingName1.ts
@@ -9,8 +9,8 @@
 
 
 test.markers().forEach((marker) => {
-    verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
+    verify.navigationBarContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
 });
 
 /// Only have two named elements.
-verify.getScriptLexicalStructureListCount(2);
+verify.navigationBarCount(2);
diff --git a/tests/cases/fourslash/navigationBarItemsMissingName2.ts b/tests/cases/fourslash/navigationBarItemsMissingName2.ts
index bf0dc038991c3..d26aa0b553d08 100644
--- a/tests/cases/fourslash/navigationBarItemsMissingName2.ts
+++ b/tests/cases/fourslash/navigationBarItemsMissingName2.ts
@@ -8,4 +8,4 @@
 
 
 // The class is unnamed, so its method is not included either.
-verify.getScriptLexicalStructureListCount(2);
+verify.navigationBarCount(2);
diff --git a/tests/cases/fourslash/navigationBarItemsModules.ts b/tests/cases/fourslash/navigationBarItemsModules.ts
index a5fc9b641f949..2f6e1d7f844ef 100644
--- a/tests/cases/fourslash/navigationBarItemsModules.ts
+++ b/tests/cases/fourslash/navigationBarItemsModules.ts
@@ -39,10 +39,10 @@
 
 
 test.markers().forEach((marker) => {
-    verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
+    verify.navigationBarContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
 });
 
 /// We have 8 module keywords, and 4 var keywords.
 /// The declarations of A.B.C.x do not get merged, so the 4 vars are independent.
 /// The two 'A' modules, however, do get merged, so in reality we have 7 modules.
-verify.getScriptLexicalStructureListCount(11);
+verify.navigationBarCount(11);
diff --git a/tests/cases/fourslash/navigationBarItemsMultilineStringIdentifiers.ts b/tests/cases/fourslash/navigationBarItemsMultilineStringIdentifiers.ts
index 59eca486b6296..8856c4c044a34 100644
--- a/tests/cases/fourslash/navigationBarItemsMultilineStringIdentifiers.ts
+++ b/tests/cases/fourslash/navigationBarItemsMultilineStringIdentifiers.ts
@@ -35,7 +35,7 @@
 
 
 test.markers().forEach((marker) => {
-    verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
+    verify.navigationBarContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
 });
 
-verify.getScriptLexicalStructureListCount(9); // interface w/ 2 properties, class w/ 2 properties, 3 modules
\ No newline at end of file
+verify.navigationBarCount(9); // interface w/ 2 properties, class w/ 2 properties, 3 modules
\ No newline at end of file
diff --git a/tests/cases/fourslash/navigationBarItemsPropertiesDefinedInConstructors.ts b/tests/cases/fourslash/navigationBarItemsPropertiesDefinedInConstructors.ts
index adda43066a3b0..9b3f4aacd9cdc 100644
--- a/tests/cases/fourslash/navigationBarItemsPropertiesDefinedInConstructors.ts
+++ b/tests/cases/fourslash/navigationBarItemsPropertiesDefinedInConstructors.ts
@@ -6,10 +6,10 @@
 ////    }
 ////}
 
-verify.getScriptLexicalStructureListContains("List", "class");
-verify.getScriptLexicalStructureListContains("constructor", "constructor");
-verify.getScriptLexicalStructureListContains("a", "property");
-verify.getScriptLexicalStructureListContains("b", "property");
+verify.navigationBarContains("List", "class");
+verify.navigationBarContains("constructor", "constructor");
+verify.navigationBarContains("a", "property");
+verify.navigationBarContains("b", "property");
 
 // no other items
-verify.getScriptLexicalStructureListCount(4);
\ No newline at end of file
+verify.navigationBarCount(4);
\ No newline at end of file
diff --git a/tests/cases/fourslash/navigationBarItemsSymbols1.ts b/tests/cases/fourslash/navigationBarItemsSymbols1.ts
index e3dde6738e95b..c9df85b3ece49 100644
--- a/tests/cases/fourslash/navigationBarItemsSymbols1.ts
+++ b/tests/cases/fourslash/navigationBarItemsSymbols1.ts
@@ -11,7 +11,7 @@
 ////}
 
 test.markers().forEach(marker => {
-    verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
+    verify.navigationBarContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
 });
 
-verify.getScriptLexicalStructureListCount(test.markers().length);
\ No newline at end of file
+verify.navigationBarCount(test.markers().length);
\ No newline at end of file
diff --git a/tests/cases/fourslash/navigationBarItemsSymbols2.ts b/tests/cases/fourslash/navigationBarItemsSymbols2.ts
index d048de895ecce..579a6353c13c6 100644
--- a/tests/cases/fourslash/navigationBarItemsSymbols2.ts
+++ b/tests/cases/fourslash/navigationBarItemsSymbols2.ts
@@ -9,7 +9,7 @@
 ////}
 
 test.markers().forEach(marker => {
-    verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
+    verify.navigationBarContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
 });
 
-verify.getScriptLexicalStructureListCount(test.markers().length);
\ No newline at end of file
+verify.navigationBarCount(test.markers().length);
\ No newline at end of file
diff --git a/tests/cases/fourslash/navigationBarItemsSymbols3.ts b/tests/cases/fourslash/navigationBarItemsSymbols3.ts
index 19f81037559b3..5677c0b6301bd 100644
--- a/tests/cases/fourslash/navigationBarItemsSymbols3.ts
+++ b/tests/cases/fourslash/navigationBarItemsSymbols3.ts
@@ -7,7 +7,7 @@
 ////}
 
 test.markers().forEach(marker => {
-    verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
+    verify.navigationBarContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
 });
 
-verify.getScriptLexicalStructureListCount(test.markers().length);
\ No newline at end of file
+verify.navigationBarCount(test.markers().length);
\ No newline at end of file
diff --git a/tests/cases/fourslash/server/navbar01.ts b/tests/cases/fourslash/server/navbar01.ts
index 82ded5e6f5420..8e76e7c017edd 100644
--- a/tests/cases/fourslash/server/navbar01.ts
+++ b/tests/cases/fourslash/server/navbar01.ts
@@ -45,8 +45,8 @@
 
 test.markers().forEach((marker) => {
     if (marker.data) {
-        verify.getScriptLexicalStructureListContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
+        verify.navigationBarContains(marker.data.itemName, marker.data.kind, marker.fileName, marker.data.parentName);
     }
 });
 
-verify.getScriptLexicalStructureListCount(23);
+verify.navigationBarCount(23);
diff --git a/tests/cases/fourslash/shims-pp/getNavigationBarItems.ts b/tests/cases/fourslash/shims-pp/getNavigationBarItems.ts
index 6c0738747f37c..a2cdb80baef50 100644
--- a/tests/cases/fourslash/shims-pp/getNavigationBarItems.ts
+++ b/tests/cases/fourslash/shims-pp/getNavigationBarItems.ts
@@ -3,7 +3,7 @@
 //// {| "itemName": "c", "kind": "const", "parentName": "" |}const c = 0;
 
 test.markers().forEach(marker => {
-    verify.getScriptLexicalStructureListContains(
+    verify.navigationBarContains(
         marker.data.itemName,
         marker.data.kind,
         marker.fileName,
diff --git a/tests/cases/fourslash/shims/getNavigationBarItems.ts b/tests/cases/fourslash/shims/getNavigationBarItems.ts
index 6c0738747f37c..a2cdb80baef50 100644
--- a/tests/cases/fourslash/shims/getNavigationBarItems.ts
+++ b/tests/cases/fourslash/shims/getNavigationBarItems.ts
@@ -3,7 +3,7 @@
 //// {| "itemName": "c", "kind": "const", "parentName": "" |}const c = 0;
 
 test.markers().forEach(marker => {
-    verify.getScriptLexicalStructureListContains(
+    verify.navigationBarContains(
         marker.data.itemName,
         marker.data.kind,
         marker.fileName,