bool ICollection <IFrameBrowsingBlockNodeIndex> .Remove(IFrameBrowsingBlockNodeIndex item)
 {
     return(Remove((IFocusBrowsingBlockNodeIndex)item));
 }
 bool ICollection <IFrameBrowsingBlockNodeIndex> .Contains(IFrameBrowsingBlockNodeIndex value)
 {
     return(Contains((IFocusBrowsingBlockNodeIndex)value));
 }
 void IList <IFrameBrowsingBlockNodeIndex> .Insert(int index, IFrameBrowsingBlockNodeIndex item)
 {
     Insert(index, (IFocusBrowsingBlockNodeIndex)item);
 }
 void ICollection <IFrameBrowsingBlockNodeIndex> .Add(IFrameBrowsingBlockNodeIndex item)
 {
     Add((IFocusBrowsingBlockNodeIndex)item);
 }
 int IList <IFrameBrowsingBlockNodeIndex> .IndexOf(IFrameBrowsingBlockNodeIndex value)
 {
     return(IndexOf((IFocusBrowsingBlockNodeIndex)value));
 }