def METHOD_NAME(self, labels: Dict[str, str]) -> 'AbstractJob':
    """Adds new labels to a previously created quantum job.
    Params:
        labels: New labels to add to the existing job labels.
    Returns:
         This AbstractJob.
    """
    self._update_time = datetime.datetime.now()
    for key in labels:
        self._labels[key] = labels[key]
    return self