{"ast_node_type":"other","tokens":[{"end":28,"kind":"keyword","start":0,"text":"impl<'tcx>"}]}
impl<'tcx> LoweredTy<'tcx> {
    fn from_raw(fcx: &FnCtxt<'_, 'tcx>, span: Span, raw: Ty<'tcx>) -> LoweredTy<'tcx> {