namespace NATS.Server.JetStream.Publish; public sealed class PublishOptions { public string? MsgId { get; init; } public ulong ExpectedLastSeq { get; init; } public ulong ExpectedLastSubjectSeq { get; init; } public string? ExpectedLastSubjectSeqSubject { get; init; } // Go: Nats-Batch-Id header — identifies which atomic batch this message belongs to. public string? BatchId { get; init; } // Go: Nats-Batch-Sequence header — 1-based position within the batch. public ulong BatchSeq { get; init; } // Go: Nats-Batch-Commit header — "1" or "eob" to commit, null/empty to stage only. public string? BatchCommit { get; init; } // Go: Nats-Expected-Last-Msg-Id header — unsupported inside a batch. public string? ExpectedLastMsgId { get; init; } }