def get_field_deserializers(self,) -> dict[str, Callable[[ParseNode], None]]:
        """
        The deserialization information for the current model
        Returns: dict[str, Callable[[ParseNode], None]]
        """
        from .calendar_sharing_message import CalendarSharingMessage
        from .contact import Contact
        from .entity import Entity
        from .event import Event
        from .event_message import EventMessage
        from .event_message_request import EventMessageRequest
        from .event_message_response import EventMessageResponse
        from .message import Message
        from .post import Post

        from .calendar_sharing_message import CalendarSharingMessage
        from .contact import Contact
        from .entity import Entity
        from .event import Event
        from .event_message import EventMessage
        from .event_message_request import EventMessageRequest
        from .event_message_response import EventMessageResponse
        from .message import Message
        from .post import Post

        fields: dict[str, Callable[[Any], None]] = {
            "categories": lambda n : setattr(self, 'categories', n.get_collection_of_primitive_values(str)),
            "changeKey": lambda n : setattr(self, 'change_key', n.get_str_value()),
            "createdDateTime": lambda n : setattr(self, 'created_date_time', n.get_datetime_value()),
            "lastModifiedDateTime": lambda n : setattr(self, 'last_modified_date_time', n.get_datetime_value()),
        }
        super_fields = super().get_field_deserializers()
        fields.update(super_fields)
        return fields

        The deserialization information for the current model
        Returns: dict[str, Callable[[ParseNode], None]]
        
msgraph/generated/models/outlook_item.py