{"ast_node_type":"other","tokens":[{"end":125,"kind":"keyword","start":0,"text":"ast::Impl(it)"}]}
            ast::Impl(it)        => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::SelfType(def))),
            ast::TypeAlias(it)   => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::TypeAlias(def))),
            ast::RecordField(it) => sema.to_def(&it).map(|def| (def.docs_with_rangemap(sema.db), Definition::Field(def))),