/// <summary>
 /// Validate the object.
 /// </summary>
 /// <exception cref="Rest.ValidationException">
 /// Thrown if validation fails
 /// </exception>
 public virtual void Validate()
 {
     if (KeyVaultProperties != null)
     {
         KeyVaultProperties.Validate();
     }
     if (Identity != null)
     {
         Identity.Validate();
     }
 }