{"ast_node_type":"variable","tokens":[{"end":49,"kind":"keyword","start":0,"text":"if"}]}
        if let ty::ReEarlyParam(param) = r.kind()
    fn fold_region(&mut self, r: ty::Region<'tcx>) -> ty::Region<'tcx> {
            && let Some(index) = self.remap_table.get(&param.index).copied()