040000 tree 5aa3a9c74aa66a9da372a59e8040235ca731339b	decoder
040000 tree ed893498b31f988202f7bc53e4ab3072f99a789d	generic
040000 tree 84b454219759bbf70faf2c5bca7028264718abd7	proto
040000 tree b75883809868ac10ebc0c7b57f2121f4746eadb3	util