040000 tree 3fb0380e9aa0867346e55e8cfb94dd71162fa412	first-library
040000 tree 713854e9bbc8de7b7e573805231dc075b1da2b7d	second-library
040000 tree 38eb270a7a36a4bdd0b69f61cc8ec9c1f9d2eb44	test-app