Improve stubs for braintree.environment (#10907)

Author: AlexWaygood

stubs/braintree/braintree/environment.pyi

@@ -1,33 +1,47 @@
-from typing import Any
+from _typeshed import Incomplete
+from typing import ClassVar
 
 from braintree.exceptions.configuration_error import ConfigurationError as ConfigurationError
 
 class Environment:
-    __name__: Any
-    is_ssl: Any
-    ssl_certificate: Any
+    Development: ClassVar[Environment]
+    QA: ClassVar[Environment]
+    Sandbox: ClassVar[Environment]
+    Production: ClassVar[Environment]
+    All: ClassVar[dict[str, Environment]]
+    __name__: str
+    is_ssl: bool
+    ssl_certificate: Incomplete
     def __init__(
-        self, name, server, port, auth_url, is_ssl, ssl_certificate, graphql_server: str = "", graphql_port: str = ""
+        self,
+        name,
+        server: str,
+        port,
+        auth_url: str,
+        is_ssl: bool,
+        ssl_certificate,
+        graphql_server: str = "",
+        graphql_port: str = "",
     ) -> None: ...
     @property
-    def base_url(self): ...
+    def base_url(self) -> str: ...
     @property
-    def port(self): ...
+    def port(self) -> int: ...
     @property
-    def auth_url(self): ...
+    def auth_url(self) -> str: ...
     @property
-    def protocol(self): ...
+    def protocol(self) -> str: ...
     @property
-    def server(self): ...
+    def server(self) -> str: ...
     @property
-    def server_and_port(self): ...
+    def server_and_port(self) -> str: ...
     @property
-    def graphql_server(self): ...
+    def graphql_server(self) -> str: ...
     @property
-    def graphql_port(self): ...
+    def graphql_port(self) -> str: ...
     @property
-    def graphql_server_and_port(self): ...
+    def graphql_server_and_port(self) -> str: ...
     @staticmethod
-    def parse_environment(environment): ...
+    def parse_environment(environment: Environment | str | None) -> Environment | None: ...
     @staticmethod
-    def braintree_root(): ...
+    def braintree_root() -> str: ...