/// <summary>
 /// Breaks a list of items into chunks of a specific size. Be aware that this method generates one additional
 /// sql query to get total number of collection elements.
 /// </summary>
 /// <param name="source">Source list.</param>
 /// <param name="chunkSize">Chunk size.</param>
 /// <returns>Enumeration of queryable collections.</returns>
 public static IEnumerable <IQueryable <T> > ChunkSelectRange <T>(
     this IQueryable <T> source,
     int chunkSize = DefaultChunkSize)
 {
     return(CollectionUtils.ChunkSelectRange(source, chunkSize));
 }