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

                if ((containerCasted != null))
                {
                    this._parent.Container.Add(containerCasted);
                }
                IResourceLink linksCasted = item.As <IResourceLink>();

                if ((linksCasted != null))
                {
                    this._parent.Links.Add(linksCasted);
                }
            }
            /// <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(NMF.Models.IModelElement item)
            {
                IResourceContainer resourceContainerItem = item.As <IResourceContainer>();

                if (((resourceContainerItem != null) &&
                     this._parent.Container.Remove(resourceContainerItem)))
                {
                    return(true);
                }
                IResourceLink resourceLinkItem = item.As <IResourceLink>();

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