laravel-6 support

vendor/phar-io/manifest/src/xml/AuthorElementCollection.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types = 1);
 /*
  * This file is part of PharIo\Manifest.
  *
@@ -7,11 +7,10 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
-
 namespace PharIo\Manifest;
 
 class AuthorElementCollection extends ElementCollection {
-    public function current() {
+    public function current(): AuthorElement {
         return new AuthorElement(
             $this->getCurrentElement()
         );