public MutateOutgoingTransportMessageContext(byte[] outgoingBody, object outgoingMessage, Dictionary<string, string> outgoingHeaders, object incomingMessage, IReadOnlyDictionary<string, string> incomingHeaders)
{
Guard.AgainstNull(nameof(outgoingHeaders), outgoingHeaders);
Guard.AgainstNull(nameof(outgoingBody), outgoingBody);
Guard.AgainstNull(nameof(outgoingMessage), outgoingMessage);
OutgoingHeaders = outgoingHeaders;
// Intentionally assign to field to not set the MessageBodyChanged flag.
this.outgoingBody = outgoingBody;
OutgoingMessage = outgoingMessage;
this.incomingHeaders = incomingHeaders;
this.incomingMessage = incomingMessage;
}