Use AuthOptionProtocol instead of _AuthOption

Author: JordonPhillips

codegen/aws/core/src/main/java/software/amazon/smithy/python/aws/codegen/AwsAuthIntegration.java

@@ -78,12 +78,12 @@ public void customize(GenerationContext context) {
         // must be accounted for.
         context.writerDelegator().useFileWriter(resolver.getDefinitionFile(), resolver.getNamespace(), writer -> {
             writer.addDependency(SmithyPythonDependency.SMITHY_HTTP);
-            writer.addImport("smithy_core.interfaces.auth", "AuthOption", "_AuthOption");
+            writer.addImport("smithy_core.interfaces.auth", "AuthOption", "AuthOptionProtocol");
             writer.addImports("smithy_core.auth", Set.of("AuthOption", "AuthParams"));
             writer.pushState();
 
             writer.write("""
-                    def $1L(auth_params: AuthParams[Any, Any]) -> _AuthOption | None:
+                    def $1L(auth_params: AuthParams[Any, Any]) -> AuthOptionProtocol | None:
                         return AuthOption(
                             scheme_id=$2S,
                             identity_properties={},  # type: ignore

codegen/core/src/main/java/software/amazon/smithy/python/codegen/HttpAuthGenerator.java

@@ -71,12 +71,12 @@ private void generateAuthSchemeResolver(
         writer.pushState(new GenerateHttpAuthSchemeResolverSection(resolvedAuthSchemes));
         writer.addDependency(SmithyPythonDependency.SMITHY_CORE);
         writer.addDependency(SmithyPythonDependency.SMITHY_HTTP);
-        writer.addImport("smithy_core.interfaces.auth", "AuthOption", "_AuthOption");
+        writer.addImport("smithy_core.interfaces.auth", "AuthOption", "AuthOptionProtocol");
         writer.addImport("smithy_core.auth", "AuthParams");
         writer.addStdlibImport("typing", "Any");
         writer.write("""
                 class $1L:
-                    def resolve_auth_scheme(self, auth_parameters: AuthParams[Any, Any]) -> list[_AuthOption]:
+                    def resolve_auth_scheme(self, auth_parameters: AuthParams[Any, Any]) -> list[AuthOptionProtocol]:
                         auth_options: list[_AuthOption] = []
 
                         ${2C|}

codegen/core/src/main/java/software/amazon/smithy/python/codegen/integrations/HttpApiKeyAuth.java

@@ -85,13 +85,13 @@ public void customize(GenerationContext context) {
         context.writerDelegator().useFileWriter(resolver.getDefinitionFile(), resolver.getNamespace(), writer -> {
             writer.addDependency(SmithyPythonDependency.SMITHY_CORE);
             writer.addDependency(SmithyPythonDependency.SMITHY_HTTP);
-            writer.addImport("smithy_core.interfaces.auth", "AuthOption", "_AuthOption");
+            writer.addImport("smithy_core.interfaces.auth", "AuthOption", "AuthOptionProtocol");
             writer.addImports("smithy_core.auth", Set.of("AuthOption", "AuthParams"));
             writer.addImport("smithy_core.shapes", "ShapeID");
             writer.addStdlibImport("typing", "Any");
             writer.pushState();
             writer.write("""
-                    def $1L(auth_params: AuthParams[Any, Any]) -> _AuthOption | None:
+                    def $1L(auth_params: AuthParams[Any, Any]) -> AuthOptionProtocol | None:
                         return AuthOption(
                             scheme_id=ShapeID($2S),
                             identity_properties={},  # type: ignore