{"ast_node_type":"function","tokens":[{"end":90,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn new_error(tcx: TyCtxt<'tcx>, guar: ErrorGuaranteed) -> OpaqueHiddenType<'tcx> {
impl<'tcx> OpaqueHiddenType<'tcx> {
        OpaqueHiddenType { span: DUMMY_SP, ty: Ty::new_error(tcx, guar) }