040000 tree 4d529569d11e5c9add0670d1e47682947b0970d4	build
040000 tree c18329f7343806ed44c65a380cfbe66e086cb2b4	dev
040000 tree 2199d48fb68a35badfc5e86cd5ec70c601fba830	package
040000 tree 351a5a52c5bb798ad888ae2a6cdbec16e34497d8	test
040000 tree 75a8592b2c63d2f27a4c75a8a60b2a802fd8edfe	tutorials