| public class | DeflateStream |
| public enum | CompressionMode |
| public const int Z_FINISH | 4 |
| public const int Z_NO_FLUSH | 0 |
| public const int Z_STREAM_END | 1 |
| public const int Z_STREAM_ERROR | -2 |
| public const int defaultDeflateCompressionLevel | -1 |
| public const int fastestDeflateCompression | 1 |
| public const int noDeflateCompression | 0 |
| public const int optimalDeflateCompression | 9 |