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<?php
/**
 * Interface for iterable configuration instances.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 * @file
 */

namespace MediaWiki\Config;

use IteratorAggregate;
use Traversable;

/**
 * Interface for iterable configuration instances.
 *
 * @stable to implement
 *
 * @since 1.38
 */
interface IterableConfig extends Config, IteratorAggregate {

/**
	 * Returns a traversable view of the configuration variables in this Config object.
	 *
	 * @return Traversable<string,mixed>
	 */
	public function getIterator(): Traversable;

/**
	 * Returns the names of configuration variables in this Config object.
	 *
	 * @return string[]
	 */
	public function getNames(): array;

}

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