code: @Nullable
  	public SerializedValue<JobInformation> getSerializedJobInformation() {
  		if (serializedJobInformation instanceof NonOffloaded) {
  			NonOffloaded<JobInformation> jobInformation =
  				(NonOffloaded<JobInformation>) serializedJobInformation;
  			return jobInformation.serializedValue;
  		} else {
  			throw new IllegalStateException(
  				"Trying to work with offloaded serialized job information.");
  		}
  	}
docs: Return the sub task's serialized job information.
  
  @return serialized job information (may be <tt>null</tt> before a call to {@link
  #loadBigData(PermanentBlobService)}).