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diff --git a/vendor/phpdocumentor/type-resolver/src/Types/Compound.php b/vendor/phpdocumentor/type-resolver/src/Types/Compound.php
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+++ b/vendor/phpdocumentor/type-resolver/src/Types/Compound.php
@@ -0,0 +1,93 @@
+<?php
+/**
+ * This file is part of phpDocumentor.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright 2010-2015 Mike van Riel<mike@phpdoc.org>
+ * @license   http://www.opensource.org/licenses/mit-license.php MIT
+ * @link      http://phpdoc.org
+ */
+
+namespace phpDocumentor\Reflection\Types;
+
+use ArrayIterator;
+use IteratorAggregate;
+use phpDocumentor\Reflection\Type;
+
+/**
+ * Value Object representing a Compound Type.
+ *
+ * A Compound Type is not so much a special keyword or object reference but is a series of Types that are separated
+ * using an OR operator (`|`). This combination of types signifies that whatever is associated with this compound type
+ * may contain a value with any of the given types.
+ */
+final class Compound implements Type, IteratorAggregate
+{
+    /** @var Type[] */
+    private $types;
+
+    /**
+     * Initializes a compound type (i.e. `string|int`) and tests if the provided types all implement the Type interface.
+     *
+     * @param Type[] $types
+     * @throws \InvalidArgumentException when types are not all instance of Type
+     */
+    public function __construct(array $types)
+    {
+        foreach ($types as $type) {
+            if (!$type instanceof Type) {
+                throw new \InvalidArgumentException('A compound type can only have other types as elements');
+            }
+        }
+
+        $this->types = $types;
+    }
+
+    /**
+     * Returns the type at the given index.
+     *
+     * @param integer $index
+     *
+     * @return Type|null
+     */
+    public function get($index)
+    {
+        if (!$this->has($index)) {
+            return null;
+        }
+
+        return $this->types[$index];
+    }
+
+    /**
+     * Tests if this compound type has a type with the given index.
+     *
+     * @param integer $index
+     *
+     * @return bool
+     */
+    public function has($index)
+    {
+        return isset($this->types[$index]);
+    }
+
+    /**
+     * Returns a rendered output of the Type as it would be used in a DocBlock.
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return implode('|', $this->types);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getIterator()
+    {
+        return new ArrayIterator($this->types);
+    }
+}