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 .identity_set import IdentitySet
        from .item_reference import ItemReference
        from .share_point_identity_set import SharePointIdentitySet
        from .sharing_invitation import SharingInvitation
        from .sharing_link import SharingLink

        from .entity import Entity
        from .identity_set import IdentitySet
        from .item_reference import ItemReference
        from .share_point_identity_set import SharePointIdentitySet
        from .sharing_invitation import SharingInvitation
        from .sharing_link import SharingLink

        fields: dict[str, Callable[[Any], None]] = {
            "expirationDateTime": lambda n : setattr(self, 'expiration_date_time', n.get_datetime_value()),
            "grantedTo": lambda n : setattr(self, 'granted_to', n.get_object_value(IdentitySet)),
            "grantedToIdentities": lambda n : setattr(self, 'granted_to_identities', n.get_collection_of_object_values(IdentitySet)),
            "grantedToIdentitiesV2": lambda n : setattr(self, 'granted_to_identities_v2', n.get_collection_of_object_values(SharePointIdentitySet)),
            "grantedToV2": lambda n : setattr(self, 'granted_to_v2', n.get_object_value(SharePointIdentitySet)),
            "hasPassword": lambda n : setattr(self, 'has_password', n.get_bool_value()),
            "inheritedFrom": lambda n : setattr(self, 'inherited_from', n.get_object_value(ItemReference)),
            "invitation": lambda n : setattr(self, 'invitation', n.get_object_value(SharingInvitation)),
            "link": lambda n : setattr(self, 'link', n.get_object_value(SharingLink)),
            "roles": lambda n : setattr(self, 'roles', n.get_collection_of_primitive_values(str)),
            "shareId": lambda n : setattr(self, 'share_id', n.get_str_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/permission.py