code: public QueueReference build(Map<String, String> params, Map<String, File> fileParams) throws IOException {
          return build(params,fileParams,false);
      }
docs: Trigger a parameterized build with file parameters
  
  @param params the job parameters
  @param fileParams the job file parameters
  @return {@link QueueReference} for further analysis of the queued build.
  @throws IOException in case of an error.