040000 tree 7fac73d1662012e70c4542854dfaa76f4a228d60	decoder
040000 tree 469705566e007a4f74e1e0f424493270161c0f4d	generic
040000 tree 3580bca14348b8a015f23ee5be5b977b2001b254	proto
040000 tree dc4944aefd4cb85529018d19073e36f1a2ccd93c	util