originalEnvelope property

@override Envelope? get originalEnvelope

Gets the envelope of the original message being acknowledged.

Contains sender/receiver/time metadata of the message being receipted.

Implementation

@override
Envelope? get originalEnvelope {
  // origin: { sender: "...", receiver: "...", time: 0 }
  _env ??= Envelope.parse(origin);
  return _env;
}