| Name | Description | |
|---|---|---|
 | CheckStart | Check whether a stream contains data which could be the start of a frame of compressed data |
| Compressor | Create a Compressor object |
| Decompressor | Create a Decompressor object |
| Exporter | Create the Exporter object |
| Importer | Create an Importer object |
| SupportedTransferSyntaxes | The list of transfer syntaxes supported by this factory. This also includes file extensions for import and export |