{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"//"}]}
        // the toolchain being used, let's just allow unstable items to be listed.
        // `toolchain == None` means we're in some detached files. Since we have no information on
        let is_nightly = matches!(toolchain, Some(base_db::ReleaseChannel::Nightly) | None);