040000 tree 20ffa08d440e6888d348dc03b0ba865e71a2171e	acceptance
040000 tree 3d49fae190bba0301d28005e98f6a5c9370dad04	backend
040000 tree 507f2e7b556be71fbf5408e6dda7eeb0b89883f6	restapi
040000 tree 1516d379c161c3963e731810c1ca25360110590b	util