{"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":"[hashbrown::HashTable<T>"}]}
    [hashbrown::HashTable<T> where T: DynSync]
    [parking_lot::lock_api::RwLock<R, T> where R: DynSync, T: ?Sized + DynSend + DynSync]
    [indexmap::IndexSet<V, S> where V: DynSync, S: DynSync]