urls_downloaded_cb({"token":"care","urls":[{"url":"streamsynchronizer.html#what-are-stream-groups-and-groupids","node_type":"p","context":{"gi-language":["default"]}},{"url":"streamsynchronizer.html#why-do-we-need-stream-groups-for-gapless-playback","node_type":"p","context":{"gi-language":["default"]}}]});