{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"///"}]}
    /// even better, `Instance::upstream_monomorphization()`.
    /// `upstream_drop_glue_for`, `upstream_async_drop_glue_for`, or,
    query upstream_monomorphizations(_: ()) -> &'tcx DefIdMap<UnordMap<GenericArgsRef<'tcx>, CrateNum>> {