{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"BuiltinLintDiag::UnusedLabel"}]}
        BuiltinLintDiag::UnusedLabel => lints::UnusedLabel.decorate_lint(diag),
        }
        BuiltinLintDiag::MacroIsPrivate(ident) => {