Fixing response codes for importSpecification

specification/apicenter/ApiCenter.Management/ApiDefinition.tsp

@@ -39,9 +39,10 @@ interface ApiDefinitions {
   @doc("Returns a collection of API definitions.")
   list is ArmResourceListByParent<ApiDefinition>;
   @doc("Imports the API specification.")
-  importSpecification is ArmResourceActionNoContentAsync<
+  importSpecification is ArmResourceActionAsync<
     ApiDefinition,
-    ApiSpecImportRequest
+    ApiSpecImportRequest,
+    ApiImportSuccess
   >;
   @doc("Exports the API specification.")
   exportSpecification is ArmResourceActionAsync<
@@ -50,3 +51,9 @@ interface ApiDefinitions {
     ApiSpecExportResult
   >;
 }
+
+/** The API specification was successfully imported. */
+model ApiImportSuccess {
+  /** The response status code */
+  @statusCode code: 200;
+}

specification/apicenter/resource-manager/Microsoft.ApiCenter/stable/2024-03-01/apicenter.json

@@ -2955,6 +2955,9 @@
           }
         ],
         "responses": {
+          "200": {
+            "description": "The API specification was successfully imported."
+          },
           "202": {
             "description": "Resource operation accepted.",
             "headers": {
@@ -2969,9 +2972,6 @@
               }
             }
           },
-          "204": {
-            "description": "Action completed successfully."
-          },
           "default": {
             "description": "An unexpected error response.",
             "schema": {
@@ -3477,6 +3477,10 @@
         }
       }
     },
+    "ApiImportSuccess": {
+      "type": "object",
+      "description": "The API specification was successfully imported."
+    },
     "ApiKind": {
       "type": "string",
       "description": "The kind of the API",