def METHOD_NAME(self) -> Optional[Dict[str, Any]]:
    """The latest enqueued event information.
    This property will be updated each time an event is received if the receiver is created
    with `track_last_enqueued_event_properties` set to `True`.
    The properties dict includes following information of the last enqueued event:
        - `sequence_number` (int)
        - `offset` (str)
        - `enqueued_time` (UTC datetime.datetime)
        - `retrieval_time` (UTC datetime.datetime)
    :rtype: Dict[str, Any] or None
    """
    if self._last_received_event:
        return get_last_enqueued_event_properties(self._last_received_event)
    return None