def get_field_deserializers(self,) -> dict[str, Callable[[ParseNode], None]]:
        """
        The deserialization information for the current model
        Returns: dict[str, Callable[[ParseNode], None]]
        """
        from .object_definition import ObjectDefinition
        from .string_key_object_value_pair import StringKeyObjectValuePair

        from .object_definition import ObjectDefinition
        from .string_key_object_value_pair import StringKeyObjectValuePair

        fields: dict[str, Callable[[Any], None]] = {
            "definition": lambda n : setattr(self, 'definition', n.get_object_value(ObjectDefinition)),
            "@odata.type": lambda n : setattr(self, 'odata_type', n.get_str_value()),
            "properties": lambda n : setattr(self, 'properties', n.get_collection_of_object_values(StringKeyObjectValuePair)),
        }
        return fields

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