{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"[Box<T,"}]}
    [Box<T, A> where T: ?Sized + DynSend, A: std::alloc::Allocator + DynSend]
    [Vec<T, A> where T: DynSend, A: std::alloc::Allocator + DynSend]
    [crate::sync::RwLock<T> where T: DynSend]