}

    public ITestListener createAdapter(ITestListener listener) {
        Class<?> testNG7Class = tryLoadClass("org.testng.IConfigurationListener");
        if (testNG7Class != null) {
            return createProxy(testNG7Class, listener);
        }

        Class<?> testNG6Class = tryLoadClass("org.testng.IConfigurationListener2");
        if (testNG6Class != null) {
            return createProxy(testNG6Class, listener);