code: public ApiResponse<Void> swaggerDocWithHttpInfo() throws ApiException {
          com.squareup.okhttp.Call call = swaggerDocValidateBeforeCall(null, null);
          return apiClient.execute(call);
      }
docs: Returns API description in Swagger format
  Returns API description in Swagger format
  @return ApiResponse&lt;Void&gt;
  @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body