| Value | Meaning |
|---|---|
| compressionFastlz0 | Uses the url=http://fastlz.org/FastLZ/url compression method. |
| compressionDeflate1 | Uses the url=https://en.wikipedia.org/wiki/DEFLATEDEFLATE/url compression method. |
| compressionZstd2 | Uses the url=https://facebook.github.io/zstd/Zstandard/url compression method. |
| compressionGzip3 | Uses the url=https://www.gzip.org/gzip/url compression method. |