# IDurableSetCommandCodec<T> Package: [Microsoft.Orleans.Journaling](/orleans/docs/api/csharp/microsoft.orleans.journaling/) 10.0.0-alpha.1 [NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.Journaling) ```csharp public interface IDurableSetCommandCodec ``` Serializes one durable set command and applies one decoded command. ## Methods - [Apply(JournalBufferReader, IDurableSetCommandHandler<T>)](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.idurablesetcommandcodec-1/methods/apply-orleans-journaling-journalbufferreader-orleans-journaling-idurablesetcomma-a5925ac9/) - [WriteAdd(T, JournalStreamWriter)](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.idurablesetcommandcodec-1/methods/writeadd-t-orleans-journaling-journalstreamwriter-f37211be/) - [WriteClear(JournalStreamWriter)](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.idurablesetcommandcodec-1/methods/writeclear-orleans-journaling-journalstreamwriter-9a6fdc6d/) - [WriteRemove(T, JournalStreamWriter)](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.idurablesetcommandcodec-1/methods/writeremove-t-orleans-journaling-journalstreamwriter-aa3ec1ad/) - [WriteSnapshot(IReadOnlyCollection<T>, JournalStreamWriter)](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.idurablesetcommandcodec-1/methods/writesnapshot-system-collections-generic-ireadonlycollection-t-orleans-journalin-f7e8ae33/)