{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"$($(#[$attr])*"}]}
            $($(#[$attr])* pub $name: query_if_arena!([$($modifiers)*]
        pub struct QueryArenas<'tcx> {
                (TypedArena<<$V as $crate::query::arena_cached::ArenaCached<'tcx>>::Allocated>)