code: function (numerator, denominator) {
          if (!common.isNumber(numerator) || !common.isNumber(denominator)) {
              return new Error('numerator or denominator not a number');
          }
          var jobServer = this.clientOrWorker._getJobServerByUid(this.jobServerUid);
          jobServer.send(protocol.encodePacket(protocol.PACKET_TYPES.WORK_STATUS, [this.handle, numerator, denominator]));
      }
docs: This is sent to update the server (and any listening clients) of the status of a running job.
  
  @method
  @memberof Job
  @param {number} numerator percent complete numerator
  @param {number} denominator percent complete denominator
  @returns {void} nothing