code: public function setData($data): void
      {
          if (is_array($data) == false && is_string($data) == false && $data instanceof JobData == false) {
              throw new InvalidArgumentException(
                  sprintf(
                      "Job's data must be either an array, or a JobData instance, or a JSON string, %s given.",
                      gettype($data)
                  )
              );
          }
  
          if (is_array($data) == true) {
              $data =  new JobData($data);
          } elseif (is_string($data) == true) {
              // Assume this is JSON
              $data =  new JobData(json_decode($data, true));
          }
  
          $this->data = $data;
      }
docs: Sets Job's data.
  
  @param  JobData|array|string $data
  @return void
  
  @throws InvalidArgumentException