private NamespaceIterator(NamespaceIterator other) : base(other, true) { }
private NamespaceIterator (NamespaceIterator other) : base (other, true) {}
private NamespaceIterator(NamespaceIterator other) : base(other, true) { }
private NamespaceIterator (NamespaceIterator other) : base (other, true) {}