/// <summary>
            /// Adds the given element to the collection
            /// </summary>
            /// <param name="item">The item to add</param>
            public override void Add(IModelElement item)
            {
                IEAnnotation eAnnotationsCasted = item.As <IEAnnotation>();

                if ((eAnnotationsCasted != null))
                {
                    this._parent.EAnnotations.Add(eAnnotationsCasted);
                }
            }
            /// <summary>
            /// Removes the given item from the collection
            /// </summary>
            /// <returns>True, if the item was removed, otherwise False</returns>
            /// <param name="item">The item that should be removed</param>
            public override bool Remove(IModelElement item)
            {
                IEAnnotation eAnnotationItem = item.As <IEAnnotation>();

                if (((eAnnotationItem != null) &&
                     this._parent.EAnnotations.Remove(eAnnotationItem)))
                {
                    return(true);
                }
                return(false);
            }