namespace System.Xml.Serialization { public class XmlSerializerNamespaces { public int Count { get; } public XmlSerializerNamespaces(); public XmlSerializerNamespaces(XmlSerializerNamespaces namespaces); public XmlSerializerNamespaces(XmlQualifiedName[] namespaces); public void Add(string prefix, string ns); public XmlQualifiedName[] ToArray(); } }