public static void main(String[] args) {
FirefoxOptions options = new FirefoxOptions();
options.setProfile(getProfile("dom.webnotifications.enabled", false));
FirefoxDriver driver = new FirefoxDriver(options);
}

private static FirefoxProfile getProfile(String profileName) {
if (profileName == null || profileName.trim().isEmpty()) {
    return new FirefoxProfile();
}
return new ProfilesIni().getProfile(profileName);
}