public override void GetColumn <T>(LogFileSection section, ILogFileColumn <T> column, T[] buffer, int destinationIndex)
 {
     if (IsIndexedColumn(column))
     {
         _indices.CopyTo(column, (int)section.Index, buffer, destinationIndex, section.Count);
     }
     else
     {
         _source.GetColumn(section, column, buffer, destinationIndex);
     }
 }