CI3 => CI4

www-api/vendor/sebastian/complexity/src/Complexity/ComplexityCollection.php

@@ -0,0 +1,72 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/complexity.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\Complexity;
+
+use function count;
+use Countable;
+use IteratorAggregate;
+
+/**
+ * @psalm-immutable
+ */
+final class ComplexityCollection implements Countable, IteratorAggregate
+{
+    /**
+     * @psalm-var list<Complexity>
+     */
+    private $items = [];
+
+    public static function fromList(Complexity ...$items): self
+    {
+        return new self($items);
+    }
+
+    /**
+     * @psalm-param list<Complexity> $items
+     */
+    private function __construct(array $items)
+    {
+        $this->items = $items;
+    }
+
+    /**
+     * @psalm-return list<Complexity>
+     */
+    public function asArray(): array
+    {
+        return $this->items;
+    }
+
+    public function getIterator(): ComplexityCollectionIterator
+    {
+        return new ComplexityCollectionIterator($this);
+    }
+
+    public function count(): int
+    {
+        return count($this->items);
+    }
+
+    public function isEmpty(): bool
+    {
+        return empty($this->items);
+    }
+
+    public function cyclomaticComplexity(): int
+    {
+        $cyclomaticComplexity = 0;
+
+        foreach ($this as $item) {
+            $cyclomaticComplexity += $item->cyclomaticComplexity();
+        }
+
+        return $cyclomaticComplexity;
+    }
+}