040000 tree 42990fbd63fe6fbec2e1c9f2a29cd19cb00fce8c	android
040000 tree c15c965fb4d62d88e6a4803eddf7676c2c9d3dfd	linux
040000 tree 2155e9f58892e1580066a3e56a763ca73c39f55e	unix
040000 tree f00121374c31785e34d79720d1e13792a85c68bd	windows
040000 tree 7185032a3db3f0406f6806c8134a11bfa66544aa	winrt