def METHOD_NAME(self, *, is_operation_file: bool) -> str:
    from .model_type import ModelType
    METHOD_NAME = self.yaml_data.get("description", "")
    if not (self.optional or self.client_default_value):
        METHOD_NAME = add_to_description(METHOD_NAME, "Required.")
    # don't want model type documentation as part of property doc
    type_description = (
        ""
        if isinstance(self.type, ModelType)
        else self.type.METHOD_NAME(is_operation_file=is_operation_file)
    )
    return add_to_description(METHOD_NAME, type_description)