/// <summary>
 /// The underlying delegate method to declare an individual attribute.
 /// </summary>
 /// <param name="attributeName">The Attribute Name.</param>
 /// <param name="attributeType">The Attribute Type.</param>
 protected virtual void DeclareAttribute(string attributeName, string attributeType)
 {
     AttributeManager.DeclareAttribute(orByRefParameter, attributeName, attributeType);
 }