040000 tree 7d273f1744a4effea48e90ad43f5aaee23fd21b7	checkpoint
040000 tree f1c0f2a8b17863d56f621ef2ba29a4175fab3f34	processor
040000 tree 2cef231efa78d2e986b8e4cb09cb808e2eebb929	storage
040000 tree 0aa2c14a9396587f22951ccc6781ad31a0c7b848	test