{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"Self::PROC_MACRO_ATTR_DISABLED"}]}
            Self::PROC_MACRO_ATTR_DISABLED => ExpandResult::new(
        match self.proc_macro_id {
                tt::TopSubtree::empty(tt::DelimSpan { open: call_site, close: call_site }),