Add Column[] type hint to ArrayProviderInterface

Author: jissereitsma

Provider/ArrayProviderInterface.php

@@ -3,8 +3,13 @@
 
 namespace Loki\AdminComponents\Provider;
 
+use Loki\AdminComponents\Grid\Column\Column;
+
 interface ArrayProviderInterface
 {
+    /**
+     * @return Column[]
+     */
     public function getColumns(): array;
     public function getData(): array;
 }