{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"Impl"}]}
            Impl => DefPathDataName::Anon { namespace: kw::Impl },
            CrateRoot => DefPathDataName::Anon { namespace: kw::Crate },
            ForeignMod => DefPathDataName::Anon { namespace: kw::Extern },