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<?php
/**
 * Event observers configuration filesystem loader. Loads event observers configuration from XML files, split by scopes
 *
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Framework\Event\Config;

class Reader extends \Magento\Framework\Config\Reader\Filesystem
{
    /**
     * List of id attributes for merge
     *
     * @var array
     */
    protected $_idAttributes = ['/config/event' => 'name', '/config/event/observer' => 'name'];

    /**
     * @param \Magento\Framework\Config\FileResolverInterface $fileResolver
     * @param \Magento\Framework\Event\Config\Converter $converter
     * @param \Magento\Framework\Event\Config\SchemaLocator $schemaLocator
     * @param \Magento\Framework\Config\ValidationStateInterface $validationState
     * @param string $fileName
     * @param array $idAttributes
     * @param string $domDocumentClass
     * @param string $defaultScope
     */
    public function __construct(
        \Magento\Framework\Config\FileResolverInterface $fileResolver,
        \Magento\Framework\Event\Config\Converter $converter,
        \Magento\Framework\Event\Config\SchemaLocator $schemaLocator,
        \Magento\Framework\Config\ValidationStateInterface $validationState,
        $fileName = 'events.xml',
        $idAttributes = [],
        $domDocumentClass = \Magento\Framework\Config\Dom::class,
        $defaultScope = 'global'
    ) {
        parent::__construct(
            $fileResolver,
            $converter,
            $schemaLocator,
            $validationState,
            $fileName,
            $idAttributes,
            $domDocumentClass,
            $defaultScope
        );
    }
}