code: public JobRequest addParameters(Map<String, String> prms)
      {
          for (Map.Entry<String, String> e : prms.entrySet())
          {
              validateParameter(e.getKey(), e.getValue());
          }
          parameters.putAll(prms);
          return this;
      }
docs: See {@link #addParameter(String, String)}
  
  @param prms
  @return