public static LmlParser extend(final LmlParser parser) {
        final LmlSyntax syntax = parser.getSyntax();
        registerFileChooser(syntax);
        registerFileValidators(syntax);
        return parser;
    }
public static LmlParser extend ( final LmlParser parser ) { final LmlSyntax syntax = parser . getSyntax ( ) ; registerFileChooser ( syntax ) ; registerFileValidators ( syntax ) ; return parser ; }
@param parser will contain extra non-GWT VisUI features.
@return passed parser (for chaining).