/// <summary>
/// Get a list of proxies of the given <paramref name="targets"/>.
/// </summary>
/// <typeparam name="T">
/// Type of the list elements.
/// </typeparam>
/// <param name="targets">
/// A list of original target objects.
/// </param>
/// <returns>
/// A list of proxies of targets or targets itself if it is already
/// a list of others.
/// </returns>
public static IList <T> GetProxy <T>(IList <T> targets)
where T : class
{
return(ListProxy <T> .GetProxy(targets));
}