/// <summary>
 /// Adds the items in the specified collection to the current collection.
 /// </summary>
 /// <param name="collection">A <see cref="CacheManagerDataCollection"/>.</param>
 public void AddRange(CacheManagerDataCollection collection)
 {
     base.AddProviders(collection);
 }
 /// <summary>
 /// Adds the items in the specified collection to the current collection.
 /// </summary>
 /// <param name="collection">A <see cref="CacheManagerDataCollection"/>.</param>
 public void AddRange(CacheManagerDataCollection collection)
 {
     base.AddProviders(collection);
 }