040000 tree 50a8926b49bac660151df63e8f5ea02f9645a0af	decoder
040000 tree 560603073dd10343f70c41b4ad17811cb481a269	generic
040000 tree 84b454219759bbf70faf2c5bca7028264718abd7	proto
040000 tree 5774ed8e62400dcff4f331a07983dc3eaf1b4ad1	util