namespace System.Globalization { public sealed class IdnMapping { public bool AllowUnassigned { get; set; } public bool UseStd3AsciiRules { get; set; } public IdnMapping(); public string GetAscii(string unicode); public string GetAscii(string unicode, int index); public string GetAscii(string unicode, int index, int count); public string GetUnicode(string ascii); public string GetUnicode(string ascii, int index); public string GetUnicode(string ascii, int index, int count); } }