{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"self.cx.dcx().emit_err(errors::DeriveMacroCall"}]}
            self.cx.dcx().emit_err(errors::DeriveMacroCall { span: mac.span() });
        fn visit_mac_call(&mut self, mac: &ast::MacCall) {
        }