async fn room_bases(
services: &Services,
conn: &Connection,
window: &BTreeMap<OwnedRoomId, WindowRoom>,
ranges: &Results,
) -> Result<impl Iterator<Item = OwnedUserId>>async fn room_bases(
services: &Services,
conn: &Connection,
window: &BTreeMap<OwnedRoomId, WindowRoom>,
ranges: &Results,
) -> Result<impl Iterator<Item = OwnedUserId>>