class HoneypotListenerFactory implements AuthenticatorFactoryInterface, FirewallListenerFactoryInterface
{
    public function getPriority(): int
    {
        return 0; // this would be the authenticator priority so we don’t care
    }

    public function getKey(): string
    {
        return 'honeypot'; // this is the key to use under your firewall’s name in the configuration
    }

    public function addConfiguration(NodeDefinition $builder): void
    {
        // if your listener needs configuration, define it here
    }

    public function createAuthenticator(ContainerBuilder $container, string $firewallName, array $config, string $userProviderId): array
    {
        return [];
    }

    public function createListeners(ContainerBuilder $container, string $firewallName, array $config): array
    {
        return ['your_firewall_listener_service_id'];
    }