{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"query"}]}
    query coroutine_kind(def_id: DefId) -> Option<hir::CoroutineKind> {
    /// Returns `Some(coroutine_kind)` if the node pointed to by `def_id` is a coroutine.
        desc { |tcx| "looking up coroutine kind of `{}`", tcx.def_path_str(def_id) }