From f8aac5747ca6e5bdd7550569539db98ae53b86c9 Mon Sep 17 00:00:00 2001
From: David Molineus <david.molineus@netzmacht.de>
Date: Thu, 5 Oct 2017 15:27:49 +0200
Subject: [PATCH] Update interface.

---
 src/Alias/DefaultAliasFilter.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Alias/DefaultAliasFilter.php b/src/Alias/DefaultAliasFilter.php
index 3fe9e70..12247f9 100644
--- a/src/Alias/DefaultAliasFilter.php
+++ b/src/Alias/DefaultAliasFilter.php
@@ -8,6 +8,8 @@
  *
  */
 
+declare(strict_types=1);
+
 namespace Netzmacht\Contao\Leaflet\Alias;
 
 use Netzmacht\Contao\Toolkit\Data\Alias\Filter\AbstractFilter;
@@ -42,7 +44,7 @@ class DefaultAliasFilter extends AbstractFilter
     /**
      * {@inheritdoc}
      */
-    public function repeatUntilValid()
+    public function repeatUntilValid(): bool
     {
         return false;
     }
@@ -50,7 +52,7 @@ class DefaultAliasFilter extends AbstractFilter
     /**
      * {@inheritdoc}
      */
-    public function apply($model, $value, $separator)
+    public function apply($model, $value, string $separator): string
     {
         if (!$value) {
             return $this->prefix . $separator . $model->id;