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Editing File: /usr/share/php/Symfony/Component/DependencyInjection/ContainerInterface.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\DependencyInjection;

use Psr\Container\ContainerInterface as PsrContainerInterface;
use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
use Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException;
use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;

/**
 * ContainerInterface is the interface implemented by service container classes.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
 */
interface ContainerInterface extends PsrContainerInterface
{
    public const RUNTIME_EXCEPTION_ON_INVALID_REFERENCE = 0;
    public const EXCEPTION_ON_INVALID_REFERENCE = 1;
    public const NULL_ON_INVALID_REFERENCE = 2;
    public const IGNORE_ON_INVALID_REFERENCE = 3;
    public const IGNORE_ON_UNINITIALIZED_REFERENCE = 4;

/**
     * Sets a service.
     *
     * @param string      $id      The service identifier
     * @param object|null $service The service instance
     */
    public function set($id, $service);

/**
     * Gets a service.
     *
     * @param string $id              The service identifier
     * @param int    $invalidBehavior The behavior when the service does not exist
     *
     * @return object|null The associated service
     *
     * @throws ServiceCircularReferenceException When a circular reference is detected
     * @throws ServiceNotFoundException          When the service is not defined
     *
     * @see Reference
     */
    public function get($id, $invalidBehavior = self::EXCEPTION_ON_INVALID_REFERENCE);

/**
     * Returns true if the given service is defined.
     *
     * @param string $id The service identifier
     *
     * @return bool true if the service is defined, false otherwise
     */
    public function has($id);

/**
     * Check for whether or not a service has been initialized.
     *
     * @param string $id
     *
     * @return bool true if the service has been initialized, false otherwise
     */
    public function initialized($id);

/**
     * Gets a parameter.
     *
     * @param string $name The parameter name
     *
     * @return array|bool|float|int|string|null The parameter value
     *
     * @throws InvalidArgumentException if the parameter is not defined
     */
    public function getParameter($name);

/**
     * Checks if a parameter exists.
     *
     * @param string $name The parameter name
     *
     * @return bool The presence of parameter in container
     */
    public function hasParameter($name);

/**
     * Sets a parameter.
     *
     * @param string $name  The parameter name
     * @param mixed  $value The parameter value
     */
    public function setParameter($name, $value);
}

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