{"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"ty::Coroutine(def_id,"}]}
                ty::Coroutine(def_id, _) => *def_id,
                ty::FnDef(def_id, _) => *def_id,
                ty::CoroutineClosure(def_id, _) => *def_id,