{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"}"}]}
            } else if get_binder_info(macros, binders, name).is_none() {
                buffer_lint(psess, span, node_id, BuiltinLintDiag::DuplicateMatcherBinding);
                // 2. The meta-variable is free: This is a binder.