code: public boolean isSet() {
          if (isUsageMode()) {
              return true;
          }
          if (getJobFile() != null) {
              return true;
          }
          if (getListType() != null) {
              return true;
          }
          return false;
      }
docs: Gets whether the arguments have been sufficiently set to execute a CLI
  task.
  
  @return true if the CLI arguments have been sufficiently set.