Refine interceptor types

Author: JordonPhillips

packages/smithy-aws-core/src/smithy_aws_core/interceptors/user_agent.py

@@ -5,7 +5,7 @@
 
 import smithy_aws_core
 import smithy_core
-from smithy_core.interceptors import Interceptor, InterceptorContext
+from smithy_core.interceptors import Interceptor, RequestContext
 from smithy_http.interceptors.user_agent import USER_AGENT
 from smithy_http.user_agent import UserAgentComponent, RawStringUserAgentComponent
 
@@ -37,9 +37,7 @@ def __init__(
         self._sdk_version = sdk_version
         self._service_id = service_id
 
-    def read_after_serialization(
-        self, context: InterceptorContext[Any, Any, Any, Any]
-    ) -> None:
+    def read_after_serialization(self, context: RequestContext[Any, Any]) -> None:
         if USER_AGENT in context.properties:
             user_agent = context.properties[USER_AGENT]
             user_agent.sdk_metadata = self._build_sdk_metadata()