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    <h3>Editing: ArrayInterface.php</h3>
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/**
 * This file is part of the ramsey/collection library
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @copyright Copyright (c) Ben Ramsey &lt;ben@benramsey.com&gt;
 * @license http://opensource.org/licenses/MIT MIT
 */

declare(strict_types=1);

namespace Ramsey\Collection;

use ArrayAccess;
use Countable;
use IteratorAggregate;
use Serializable;

/**
 * `ArrayInterface` provides traversable array functionality to data types.
 *
 * @template T
 * @extends ArrayAccess&lt;array-key, T&gt;
 * @extends IteratorAggregate&lt;array-key, T&gt;
 */
interface ArrayInterface extends
    ArrayAccess,
    Countable,
    IteratorAggregate,
    Serializable
{
    /**
     * Removes all items from this array.
     */
    public function clear(): void;

    /**
     * Returns a native PHP array representation of this array object.
     *
     * @return array&lt;array-key, T&gt;
     */
    public function toArray(): array;

    /**
     * Returns `true` if this array is empty.
     */
    public function isEmpty(): bool;
}
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