docs: def insert(self, task, args=[], kwargs={}, delay_seconds=0):
      """
      Insert a task into an existing queue.
      """
      body = {
        "payload": task.payload(),
        "queueName": self._queue_name,
        "groupByTag": True,
        "tag": task.__class__.__name__
      }
  
      def cloud_insertion():
        self._api.insert(body, delay_seconds)
  
      self._pool.spawn(cloud_insertion)
  
      return self