Add FieldCollectionDefinitionResolver. (#29)

* Add FieldCollectionDefinitionResolver.

* Make class internal and final.

src/Models/DataObject/FieldCollection/DefinitionResolver.php

@@ -0,0 +1,34 @@
+<?php
+declare(strict_types=1);
+
+/**
+ * Pimcore
+ *
+ * This source file is available under two different licenses:
+ * - GNU General Public License version 3 (GPLv3)
+ * - Pimcore Commercial License (PCL)
+ * Full copyright and license information is available in
+ * LICENSE.md which is distributed with this source code.
+ *
+ *  @copyright  Copyright (c) Pimcore GmbH (http://www.pimcore.org)
+ *  @license    http://www.pimcore.org/license     GPLv3 and PCL
+ */
+
+namespace Pimcore\Bundle\StaticResolverBundle\Models\DataObject\FieldCollection;
+
+use Exception;
+use Pimcore\Model\DataObject\Fieldcollection\Definition;
+
+/**
+ * @internal
+ */
+final class DefinitionResolver implements DefinitionResolverInterface
+{
+    /**
+     * @throws Exception
+     */
+    public function getByKey(string $key): ?Definition
+    {
+        return Definition::getByKey($key);
+    }
+}

src/Models/DataObject/FieldCollection/DefinitionResolverInterface.php

@@ -0,0 +1,24 @@
+<?php
+declare(strict_types=1);
+
+/**
+ * Pimcore
+ *
+ * This source file is available under two different licenses:
+ * - GNU General Public License version 3 (GPLv3)
+ * - Pimcore Commercial License (PCL)
+ * Full copyright and license information is available in
+ * LICENSE.md which is distributed with this source code.
+ *
+ *  @copyright  Copyright (c) Pimcore GmbH (http://www.pimcore.org)
+ *  @license    http://www.pimcore.org/license     GPLv3 and PCL
+ */
+
+namespace Pimcore\Bundle\StaticResolverBundle\Models\DataObject\FieldCollection;
+
+use Pimcore\Model\DataObject\Fieldcollection\Definition;
+
+interface DefinitionResolverInterface
+{
+    public function getByKey(string $key): ?Definition;
+}