fix linting

src/Core/Event/ConsumerTypeInterface.php

@@ -7,14 +7,7 @@ interface ConsumerTypeInterface
     const CONSUMER_TYPE_LIVE = 'live';
     const CONSUMER_TYPE_TEST = 'test';
 
-    /**
-     * @return string
-     */
-    public function getType();
+    public function getType(): string;
 
-    /**
-     * @param string $type
-     * @return QueueConsumers
-     */
-    public function setType($type);
+    public function setType(string $type): ?QueueConsumers;
 }

src/Core/Event/QueueConsumers.php

@@ -38,12 +38,12 @@ public function __construct($type, $start = 0, $max = 100)
         $this->max = $max;
     }
 
-    public function getType()
+    public function getType(): string
     {
         return $this->type;
     }
 
-    public function setType($type)
+    public function setType(string $type): ?QueueConsumers
     {
         $this->type = $type;
         return $this;

src/Core/Event/SyncConsumer.php

@@ -40,14 +40,15 @@ public function __construct($type, \CultureFeed_Consumer $consumer)
         $this->consumerData['groups'] = implode(",", $consumer->group);
     }
 
-    public function getType()
+    public function getType(): string
     {
         return $this->type;
     }
 
-    public function setType($type)
+    public function setType(string $type): ?QueueConsumers
     {
         $this->type = $type;
+        return null;
     }
 
     /**

src/Entity/Project.php

@@ -583,6 +583,7 @@ public function getContentFilter()
     public function setContentFilter($contentFilter)
     {
         $this->contentFilter = $contentFilter;
+        return $this;
     }
 
     /**