040000 tree 75d8fa3f9807f56ece38ea0a2b6c2926c5db2811	bootstrap
100644 blob 5780694aaf3f0eadfc664067c0562d85789cfb0f	executable.dart
040000 tree ce90bb80fee30adb87135643594a71173300bcbc	runner
040000 tree f85afbf19a353849ee53834b406a903789479b8a	util