static XPathQueryMatcher()
 {
     ValueDataType type;
     matchAlwaysFilter = new PushBooleanOpcode(true);
     rootFilter = QueryMatcher.CompileForInternalEngine("/", null, QueryCompilerFlags.None, out type);
     rootFilter.Append(new MatchResultOpcode());
 }
        static XPathQueryMatcher()
        {
            ValueDataType type;

            matchAlwaysFilter = new PushBooleanOpcode(true);
            rootFilter        = QueryMatcher.CompileForInternalEngine("/", null, QueryCompilerFlags.None, out type);
            rootFilter.Append(new MatchResultOpcode());
        }