/home/kueuepay/public_html/vendor/symfony/event-dispatcher/ImmutableEventDispatcher.php
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\EventDispatcher;

/**
 * A read-only proxy for an event dispatcher.
 *
 * @author Bernhard Schussek <bschussek@gmail.com>
 */
class ImmutableEventDispatcher implements EventDispatcherInterface
{
    private $dispatcher;

    public function __construct(EventDispatcherInterface $dispatcher)
    {
        $this->dispatcher = $dispatcher;
    }

    /**
     * {@inheritdoc}
     */
    public function dispatch(object $event, string $eventName = null): object
    {
        return $this->dispatcher->dispatch($event, $eventName);
    }

    /**
     * {@inheritdoc}
     */
    public function addListener(string $eventName, callable|array $listener, int $priority = 0)
    {
        throw new \BadMethodCallException('Unmodifiable event dispatchers must not be modified.');
    }

    /**
     * {@inheritdoc}
     */
    public function addSubscriber(EventSubscriberInterface $subscriber)
    {
        throw new \BadMethodCallException('Unmodifiable event dispatchers must not be modified.');
    }

    /**
     * {@inheritdoc}
     */
    public function removeListener(string $eventName, callable|array $listener)
    {
        throw new \BadMethodCallException('Unmodifiable event dispatchers must not be modified.');
    }

    /**
     * {@inheritdoc}
     */
    public function removeSubscriber(EventSubscriberInterface $subscriber)
    {
        throw new \BadMethodCallException('Unmodifiable event dispatchers must not be modified.');
    }

    /**
     * {@inheritdoc}
     */
    public function getListeners(string $eventName = null): array
    {
        return $this->dispatcher->getListeners($eventName);
    }

    /**
     * {@inheritdoc}
     */
    public function getListenerPriority(string $eventName, callable|array $listener): ?int
    {
        return $this->dispatcher->getListenerPriority($eventName, $listener);
    }

    /**
     * {@inheritdoc}
     */
    public function hasListeners(string $eventName = null): bool
    {
        return $this->dispatcher->hasListeners($eventName);
    }
}
Best Practice

Best Practices

To ensure a smooth integration process and optimal performance, follow these best practices:

  1. Use secure HTTPS connections for all API requests.
  2. Implement robust error handling to handle potential issues gracefully.
  3. Regularly update your integration to stay current with any API changes or enhancements.