{"ast_node_type":"other","tokens":[{"end":27,"kind":"keyword","start":0,"text":"query"}]}
    query fn_abi_of_fn_ptr(
    /// instead, where the instance is an `InstanceKind::Virtual`.
        key: ty::PseudoCanonicalInput<'tcx, (ty::PolyFnSig<'tcx>, &'tcx ty::List<Ty<'tcx>>)>