Accept nullable entity

Author: akadlec

src/Builder/Builder.php

@@ -71,7 +71,7 @@ public function __construct(
 	/**
 	 * @param ServerRequestInterface $request
 	 * @param ResponseInterface $response
-	 * @param object|Array<object> $entity
+	 * @param object|Array<object>|null $entity
 	 * @param int|null $totalCount
 	 *
 	 * @return ResponseInterface

src/Hydrators/Hydrator.php

@@ -109,9 +109,6 @@ abstract class Hydrator
 	/** @var Localization\Translator */
 	protected Localization\Translator $translator;
 
-	/** @var string */
-	protected string $translationDomain = '';
-
 	/** @var mixed[]|null */
 	private ?array $normalizedAttributes = null;