fix: omit endpoint polymorphs from resolved config types (#1626)

Author: kuhe

private/smithy-rpcv2-cbor-schema/src/endpoint/EndpointParameters.ts

@@ -8,7 +8,7 @@ export interface ClientInputEndpointParameters {
   endpoint?: string | Provider<string> | Endpoint | Provider<Endpoint> | EndpointV2 | Provider<EndpointV2>;
 }
 
-export type ClientResolvedEndpointParameters = ClientInputEndpointParameters & {
+export type ClientResolvedEndpointParameters = Omit<ClientInputEndpointParameters, "endpoint"> & {
   defaultSigningName: string;
 };
 

private/smithy-rpcv2-cbor/src/endpoint/EndpointParameters.ts

@@ -8,7 +8,7 @@ export interface ClientInputEndpointParameters {
   endpoint?: string | Provider<string> | Endpoint | Provider<Endpoint> | EndpointV2 | Provider<EndpointV2>;
 }
 
-export type ClientResolvedEndpointParameters = ClientInputEndpointParameters & {
+export type ClientResolvedEndpointParameters = Omit<ClientInputEndpointParameters, "endpoint"> & {
   defaultSigningName: string;
 };
 

smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/endpointsV2/EndpointsV2Generator.java

@@ -132,7 +132,9 @@ private void generateEndpointParameters() {
 
                 writer.write("");
                 writer.openBlock(
-                    "export type ClientResolvedEndpointParameters = ClientInputEndpointParameters & {",
+                    """
+                    export type ClientResolvedEndpointParameters = Omit<ClientInputEndpointParameters, "endpoint"> & {
+                    """,
                     "};",
                     () -> {
                         writer.write("defaultSigningName: string;");