namespace System
{
    public class Uri
    {
        // Existing
        public static readonly string UriSchemeFile;
        public static readonly string UriSchemeFtp;
        public static readonly string UriSchemeGopher;
        public static readonly string UriSchemeHttp;
        public static readonly string UriSchemeHttps;
        public static readonly string UriSchemeMailto;
        public static readonly string UriSchemeNews;
        public static readonly string UriSchemeNntp;
        public static readonly string UriSchemeNetTcp;
        public static readonly string UriSchemeNetPipe;

        // Proposed
        public static readonly string UriSchemeWs;
        public static readonly string UriSchemeWss;
        public static readonly string UriSchemeSsh;
        public static readonly string UriSchemeTelnet;
        public static readonly string UriSchemeSftp; // SSH File Transfer Protocol
        public static readonly string UriSchemeFtps; // FTP over SSL
    }
}