{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"self.opt_span_lint(lint,"}]}
        self.opt_span_lint(lint, None as Option<Span>, |lint| {
    fn emit_lint(&self, lint: &'static Lint, decorator: impl for<'a> LintDiagnostic<'a, ()>) {
            decorator.decorate_lint(lint);