namespace System.Xml { public class XmlNamespaceManager : IEnumerable, IXmlNamespaceResolver { public virtual string DefaultNamespace { get; } public virtual XmlNameTable NameTable { get; } public XmlNamespaceManager(XmlNameTable nameTable); public virtual void AddNamespace(string prefix, string uri); public virtual IEnumerator GetEnumerator(); public virtual IDictionary<string, string> GetNamespacesInScope(XmlNamespaceScope scope); public virtual bool HasNamespace(string prefix); public virtual string LookupNamespace(string prefix); public virtual string LookupPrefix(string uri); public virtual bool PopScope(); public virtual void PushScope(); public virtual void RemoveNamespace(string prefix, string uri); } }