{"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":"tcx.ensure_ok().trait_def(def_id);"}]}
            tcx.ensure_ok().trait_def(def_id);
            tcx.ensure_ok().generics_of(def_id);
            tcx.ensure_ok().explicit_super_predicates_of(def_id);