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 import Identity
        from .identity_set import IdentitySet
        from .service_app_status import ServiceAppStatus

        from .entity import Entity
        from .identity import Identity
        from .identity_set import IdentitySet
        from .service_app_status import ServiceAppStatus

        fields: dict[str, Callable[[Any], None]] = {
            "application": lambda n : setattr(self, 'application', n.get_object_value(Identity)),
            "effectiveDateTime": lambda n : setattr(self, 'effective_date_time', n.get_datetime_value()),
            "lastModifiedBy": lambda n : setattr(self, 'last_modified_by', n.get_object_value(IdentitySet)),
            "lastModifiedDateTime": lambda n : setattr(self, 'last_modified_date_time', n.get_datetime_value()),
            "registrationDateTime": lambda n : setattr(self, 'registration_date_time', n.get_datetime_value()),
            "status": lambda n : setattr(self, 'status', n.get_enum_value(ServiceAppStatus)),
        }
        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/service_app.py