040000 tree 75031a3a50a14535f16d2ea56c4cc4634768fa91	decoder
040000 tree 81f0a9337a65db045916b144b60c78452e522be6	generic
040000 tree 84b454219759bbf70faf2c5bca7028264718abd7	proto
040000 tree bf59c349a81685acfb6ff6f6f0c6683f7558c2a5	util