{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"it[keys::PROC_MACRO].get(&AstPtr::new(src.value)).copied().map(MacroId::from)"}]}
            it[keys::PROC_MACRO].get(&AstPtr::new(src.value)).copied().map(MacroId::from)
        self.dyn_map(src).and_then(|it| {
        })