{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"[crate::sync::WorkerLocal<T>"}]}
    [crate::sync::WorkerLocal<T> where T: DynSend]
    [crate::sync::RwLock<T> where T: DynSend + DynSync]
    [crate::intern::Interned<'a, T> where 'a, T: DynSync]