{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"signatures::{ConstSignature,"}]}
    signatures::{ConstSignature, StaticSignature},
    resolver::{HasResolver, ResolveValueResult, Resolver, TypeNs, ValueNs},
    type_ref::{ConstRef, LifetimeRefId, TypeRefId},