0
1
2
3
4
5
{ 0 => "NONE", 1 => "DEFAULT", 2 => "GZIP", 3 => "BZIP2", 4 => "SNAPPY", 5 => "SNAPPY_BLOCKED" }
Set.new([NONE, DEFAULT, GZIP, BZIP2, SNAPPY, SNAPPY_BLOCKED]).freeze