{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"CoroutineState(idx)"}]}
            CoroutineState(idx) => write!(out, ".<coroutine-state({})>", idx.index()),
            CoroutineTag => write!(out, ".<coroutine-tag>"),
            CapturedVar(name) => write!(out, ".<captured-var({name})>"),