040000 tree c81f130657a9865005fdb1bc8af5d6d5be0e7d52	build
040000 tree 9daf3e5e2bd977817d05ab2fc4cbd83f39611073	dev
040000 tree e88ea23d89826dd9c8320d0e305b6cde8e518873	package
040000 tree 402e3b2e7713d9e1694d4df9a41fc8c09b62b426	test
040000 tree 64636d14e994a8b112b89ace1e6601dfb0acedb5	tutorials