{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"span.push_span_label(prev_info.span,"}]}
                span.push_span_label(prev_info.span, "previous declaration");
                let mut span = MultiSpan::from_span(span);
                buffer_lint(psess, span, node_id, BuiltinLintDiag::DuplicateMatcherBinding);