1 files changed, 6 insertions, 4 deletions
diff --git a/src/Monolog/Handler/ZendMonitorHandler.php b/src/Monolog/Handler/ZendMonitorHandler.php
index f22cf21..c0bceb4 100644
--- a/src/Monolog/Handler/ZendMonitorHandler.php
+++ b/src/Monolog/Handler/ZendMonitorHandler.php
@@ -1,4 +1,5 @@
-<?php
+<?php declare(strict_types=1);
+
 /*
  * This file is part of the Monolog package.
  *
@@ -10,6 +11,7 @@
 
 namespace Monolog\Handler;
 
+use Monolog\Formatter\FormatterInterface;
 use Monolog\Formatter\NormalizerFormatter;
 use Monolog\Logger;
 
@@ -25,7 +27,7 @@ class ZendMonitorHandler extends AbstractProcessingHandler
      *
      * @var array
      */
-    protected $levelMap = array(
+    protected $levelMap = [
         Logger::DEBUG     => 1,
         Logger::INFO      => 2,
         Logger::NOTICE    => 3,
@@ -34,7 +36,7 @@ class ZendMonitorHandler extends AbstractProcessingHandler
         Logger::CRITICAL  => 6,
         Logger::ALERT     => 7,
         Logger::EMERGENCY => 0,
-    );
+    ];
 
     /**
      * Construct
@@ -78,7 +80,7 @@ class ZendMonitorHandler extends AbstractProcessingHandler
     /**
      * {@inheritdoc}
      */
-    public function getDefaultFormatter()
+    public function getDefaultFormatter(): FormatterInterface
     {
         return new NormalizerFormatter();
     }