040000 tree c2d93f5fef0cb2535cdf3d595cbdc02b4583a8b6	decoder
040000 tree 560603073dd10343f70c41b4ad17811cb481a269	generic
040000 tree 84b454219759bbf70faf2c5bca7028264718abd7	proto
040000 tree 6f1e094e87e71316f21478e66a8451747efe468a	util