/// <summary>
/// Returns an {@link Iterator} over the {@link Nodes} in this graph.</summary>
/// <returns> an iterator over the nodes
/// </returns>
public IEnumerator NodeIterator()
{
return(nodeMap.Iterator());
}
/// <summary>
/// Returns an {@link Iterator} over the {@link Nodes} in this graph.</summary>
/// <returns> an iterator over the nodes
/// </returns>
public IEnumerator NodeIterator()
{
return(nodeMap.Iterator());
}