internal static void SkipHeader(AbstractBufferedReader reader)
{
reader.SkipBlock(FileCollectionWithFileInfos.MagicStartOfFile.Length + 1); // magic + type of file
reader.SkipVInt64(); // generation
reader.SkipVUInt32(); // trLogFileId
reader.SkipVUInt32(); // trLogOffset
reader.SkipVUInt64(); // keyValueCount
}