040000 tree f494d06d019c999411240d28ac5e7ffb7f628c17	bzip2
040000 tree 393b7927b3ad48ab23919d6370228419c570d9b1	lz4
040000 tree b93a7290475efd1a45e0b56ad8bba6f22258082c	snappy
040000 tree d647f0f9177397ac2416c172bd8d9a56a44ec42c	zlib