IncomingMessage.fromOutgoingMessage(OutgoingMessage outgoingMessage)
@visibleForTesting IncomingMessage.fromOutgoingMessage(OutgoingMessage outgoingMessage) : handleInfos = outgoingMessage.handleDispositions .map((handleDisposition) => HandleInfo(handleDisposition.handle, handleDisposition.type, handleDisposition.rights)) .toList(), super(outgoingMessage.data);