Upgrade framework

vendor/ramsey/collection/src/ArrayInterface.php

@@ -0,0 +1,51 @@
+<?php
+
+/**
+ * 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 <ben@benramsey.com>
+ * @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<array-key, T>
+ * @extends IteratorAggregate<array-key, T>
+ */
+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<array-key, T>
+     */
+    public function toArray(): array;
+
+    /**
+     * Returns `true` if this array is empty.
+     */
+    public function isEmpty(): bool;
+}