040000 tree e4a20346299f439ebab970ac250fd434357fc9fb	rtc_api
040000 tree c60e2b2ace360f3dd75d760cd8a018283c6ecd94	rtc_api_helpers
040000 tree b27eb836c638d488886fbc4377ca8dccdd9948b0	rtc_utils
040000 tree e83aadb410449761e537a3d029ff3fe988269594	shell