{"ast_node_type":"function","tokens":[{"end":80,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn trait_ref(db: &dyn HirDatabase, def: TraitId) -> TyBuilder<TraitId> {
impl TyBuilder<TraitId> {
        TyBuilder::subst_for_def(db, def, None).with_data(def)