public static void WriteIntoPacket(OutBlob stream,
[NotNull] IEnumerable <IUpdateSegment> syncSegments,
[NotNull] IEnumerable <IUpdateSegment> initializeSegments,
[NotNull] IEnumerable <IUpdateSegment> flagSegments,
int numIdBits, int maxIdValue)
{
stream.BeginBitAccess();
WriteSyncSegments(stream, syncSegments);
WriteInitSegments(stream, initializeSegments);
// avoid double enumeration of the flagSegments enumerable
var enumeratedUpdateSegments =
flagSegments as IList <IUpdateSegment> ?? flagSegments.ToList();
WriteInitSegmentsEndMarkerIfNeeded(stream, enumeratedUpdateSegments, numIdBits, maxIdValue);
stream.EndBitAccess();
WriteFlagSegments(stream, enumeratedUpdateSegments);
}