{"ast_node_type":"variable","tokens":[{"end":53,"kind":"keyword","start":0,"text":"let"}]}
        let subst = db.generic_defaults(self.into());
    pub fn has_non_default_type_params(self, db: &dyn HirDatabase) -> bool {
        (subst.is_empty() && db.generic_params(self.into()).len_type_or_consts() != 0)