{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"found_str.push(self.found.fn_sig(self.tcx).to_string(),"}]}
        found_str.push(self.found.fn_sig(self.tcx).to_string(), true);
        let mut found_str = DiagStyledString::new();
        diag.note_expected_found("", expected_str, "", found_str);