in deployment/macos/diagnostic/SystemExtensionTester/SystemExtensionTester/ViewController.swift [225:237]
func loadFilterConfiguration(completionHandler: @escaping (Bool) -> Void) {
NEFilterManager.shared().loadFromPreferences { loadError in
DispatchQueue.main.async {
var success = true
if let error = loadError {
os_log("Failed to load the filter configuration: %@", error.localizedDescription)
success = false
}
completionHandler(success)
}
}
}