{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"//"}]}
                    // super rare anyway, that no one encounters it in practice. It does occur
                    // and we don't want to make a decision on it right now. Likely this case is so
                    // however in `fn fut() -> impl Future<Output = i32> { async { 42 } }`, where