040000 tree 9edca76d6037555ed4ebf58a46e0904fdaf2cc55	android
040000 tree f8c54c9a6ab239f15586dc7d6cbdea605ae019b8	darwin
040000 tree b16c64b348e02e39cd99519a7214325fea37a308	fuchsia
040000 tree bfe9be84fc78dfa0b91d6d3d904e7ca4ccab5044	linux
040000 tree 42caa17d36dbaddda3ade2dcd20297b3ea2f601a	posix
040000 tree de9b5c278a4169e720f37f8e24bec676934b225f	win