/// <summary>
 /// Is changed
 /// </summary>
 /// <param name="addressModel">The first address model.</param>
 /// <param name="address">The second addrress model.</param>
 /// <returns>True if the address are different, otherwise false.</returns>
 public static bool IsChanged(this AddressModel addressModel, AddressModel address)
 {
     return(!addressModel.Equals(address));
 }