{"ast_node_type":"other","tokens":[{"end":114,"kind":"keyword","start":0,"text":"[std::collections::BTreeMap<K,"}]}
    [std::collections::BTreeMap<K, V, A> where K: DynSend, V: DynSend, A: std::alloc::Allocator + Clone + DynSend]
    [std::collections::HashMap<K, V, S> where K: DynSend, V: DynSend, S: DynSend]
    [Vec<T, A> where T: DynSend, A: std::alloc::Allocator + DynSend]