040000 tree 2fd786a33cb44a2cbc3e5a593ef6897df4cdaa09	cache
040000 tree 3a97a93309d353e7873347b9b24127f68988e659	ipc
040000 tree 0d478e56460c1565c15c94b2cf7eafc67fa53a00	lockfile
040000 tree 8a3c00fe7006f734e8020e8bf5c33f484c0e1014	lru
040000 tree 6aa7d1e4dfd1f9b1e16ae28cc6771f5ff977d207	pingpong
040000 tree 8cb506700b5c0d2760c2c42755670df17017517b	server
040000 tree a5771c319cb5db1b7363c1ac6bbbac63784306db	test_principal