/// <summary>
 /// Gets the absolute url for a media file Url.
 /// </summary>
 /// <param name="mediaFile">
 /// The media file.
 /// </param>
 /// <returns>
 /// The absolute url.
 /// </returns>
 public static string AbsoluteUrl(this IMediaFile mediaFile)
 {
     return mediaFile.AbsoluteUrl(string.Empty);
 }
 /// <summary>
 /// Gets the absolute url for a link Url.
 /// </summary>
 /// <param name="link">
 /// The link.
 /// </param>
 /// <returns>
 /// The absolute url.
 /// </returns>
 public static string AbsoluteUrl(this ILink link)
 {
     return link.AbsoluteUrl(string.Empty);
 }