{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"pprust::token_kind_to_string(&delim.as_open_token_kind());"}]}
                                    pprust::token_kind_to_string(&delim.as_open_token_kind());
                                let token =
                                sess.dcx().emit_err(errors::ExpectedParenOrBrace {