code: public DeleteMOHFilesResponse deleteMOHFiles(String fileName) throws ApiException {
          ApiResponse<DeleteMOHFilesResponse> resp = deleteMOHFilesWithHttpInfo(fileName);
          return resp.getData();
      }
docs: Delete WAV file.
  Delete the specified WAV file.
  @param fileName The musicFile name for deleting from MOH. (required)
  @return DeleteMOHFilesResponse
  @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body