def get_field_deserializers(self,) -> dict[str, Callable[[ParseNode], None]]:
        """
        The deserialization information for the current model
        Returns: dict[str, Callable[[ParseNode], None]]
        """
        from ....models.chat_info import ChatInfo
        from ....models.meeting_participants import MeetingParticipants

        from ....models.chat_info import ChatInfo
        from ....models.meeting_participants import MeetingParticipants

        fields: dict[str, Callable[[Any], None]] = {
            "chatInfo": lambda n : setattr(self, 'chat_info', n.get_object_value(ChatInfo)),
            "endDateTime": lambda n : setattr(self, 'end_date_time', n.get_datetime_value()),
            "externalId": lambda n : setattr(self, 'external_id', n.get_str_value()),
            "participants": lambda n : setattr(self, 'participants', n.get_object_value(MeetingParticipants)),
            "startDateTime": lambda n : setattr(self, 'start_date_time', n.get_datetime_value()),
            "subject": lambda n : setattr(self, 'subject', n.get_str_value()),
        }
        return fields

        The deserialization information for the current model
        Returns: dict[str, Callable[[ParseNode], None]]
        
msgraph/generated/communications/online_meetings/create_or_get/create_or_get_post_request_body.py