async fn collect_room(
__arg0: SyncInfo<'_>,
conn: &Connection,
_window: &BTreeMap<OwnedRoomId, WindowRoom>,
room_id: &RoomId,
) -> Option<(OwnedRoomId, Raw<SyncReceiptEvent>)>async fn collect_room(
__arg0: SyncInfo<'_>,
conn: &Connection,
_window: &BTreeMap<OwnedRoomId, WindowRoom>,
room_id: &RoomId,
) -> Option<(OwnedRoomId, Raw<SyncReceiptEvent>)>