040000 tree ccf2090ddff81a16f7b0952c6f3856405fcc96af	decoder
040000 tree 8efad2817b56a0098dcf12054c4f73013e55a4af	generic
040000 tree 84b454219759bbf70faf2c5bca7028264718abd7	proto
040000 tree 224176e85d81461625a697fdc0f0cb73ed039977	util