code: public ApiSuccessResponse release(String id, ReleaseData releaseData) throws ApiException {
          ApiResponse<ApiSuccessResponse> resp = releaseWithHttpInfo(id, releaseData);
          return resp.getData();
      }
docs: Release a call
  Release the specified call.
  @param id The connection ID of the call. (required)
  @param releaseData Request parameters. (optional)
  @return ApiSuccessResponse
  @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body