{"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"MacroId::Macro2Id(it)"}]}
            MacroId::Macro2Id(it) => it.lookup(db).expander,
        let expander = match macro_id {
            MacroId::MacroRulesId(it) => it.lookup(db).expander,