{"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"desc"}]}
        desc { |tcx| "vtable const allocation for <{} as {}>",
    query vtable_allocation(key: (Ty<'tcx>, Option<ty::ExistentialTraitRef<'tcx>>)) -> mir::interpret::AllocId {
            key.0,