{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"defs::{Definition,"}]}
    defs::{Definition, NameClass, NameRefClass},
    base_db::{CrateOrigin, LangCrateOrigin, ReleaseChannel, RootQueryDb},
    documentation::{DocsRangeMap, Documentation, HasDocs, docs_with_rangemap},