addOptionHandler(new OptionHandlerDebug());
addOptionHandler(new OptionHandlerDiagnostics());
addOptionHandler(new OptionHandlerQuiet());
addOptionHandler(new OptionHandlerVerbose());
addOptionHandler(new OptionHandlerHelp());
addOptionHandler(new OptionHandlerVersion());
// validators
addValidator(new OptionValidatorForViewers(optionHandlerViewer));
addValidator(new OptionValidatorForConnector(optionHandlerClientConnection));