def get_field_deserializers(self,) -> dict[str, Callable[[ParseNode], None]]:
        """
        The deserialization information for the current model
        Returns: dict[str, Callable[[ParseNode], None]]
        """
        from ..entity import Entity
        from .acl import Acl
        from .external_activity import ExternalActivity
        from .external_item_content import ExternalItemContent
        from .properties import Properties

        from ..entity import Entity
        from .acl import Acl
        from .external_activity import ExternalActivity
        from .external_item_content import ExternalItemContent
        from .properties import Properties

        fields: dict[str, Callable[[Any], None]] = {
            "acl": lambda n : setattr(self, 'acl', n.get_collection_of_object_values(Acl)),
            "activities": lambda n : setattr(self, 'activities', n.get_collection_of_object_values(ExternalActivity)),
            "content": lambda n : setattr(self, 'content', n.get_object_value(ExternalItemContent)),
            "properties": lambda n : setattr(self, 'properties', n.get_object_value(Properties)),
        }
        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/external_connectors/external_item.py