{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"WellKnownTrait::Coroutine"}]}
        WellKnownTrait::Coroutine => LangItem::Coroutine,
        WellKnownTrait::AsyncFnOnce => LangItem::AsyncFnOnce,
        WellKnownTrait::Sized => LangItem::Sized,