040000 tree 100bcc443893af9c9ac823e390372c043d3a6d0d	decoder
040000 tree 469705566e007a4f74e1e0f424493270161c0f4d	generic
040000 tree 3580bca14348b8a015f23ee5be5b977b2001b254	proto
040000 tree dc4944aefd4cb85529018d19073e36f1a2ccd93c	util