040000 tree 4b006cf36d86b4ef2242e3a4b7af7458870d1854	decoder
040000 tree 5a35d26e89dce069b053dd5079a347eab1964389	generic
040000 tree 84b454219759bbf70faf2c5bca7028264718abd7	proto
040000 tree f4971ba46f9564320e0523e71c8b4cc5f3a2cdf3	util