Support Kirby v4

extensions/aliases.php

@@ -1,4 +1,8 @@
 <?php
 
-class_alias('Kirby\Kql\Kql', 'Kql');
-class_alias('Kirby\Kql\Interceptor', 'Kirby\Kql\Interceptors\Interceptor');
+class_alias(\Kirby\Kql\Kql::class, 'Kql');
+class_alias(\Kirby\Kql\Interceptor::class, 'Kirby\Kql\Interceptors\Interceptor');
+
+// Provide backwards compatibility for Kirby 3 core classes
+class_alias(\Kirby\Kql\Interceptors\Content\Content::class, 'Kirby\Kql\Interceptors\Cms\Content');
+class_alias(\Kirby\Kql\Interceptors\Content\Field::class, 'Kirby\Kql\Interceptors\Cms\Field');

src/Kql/Interceptors/Cms/Content.php → src/Kql/Interceptors/Content/Content.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Kirby\Kql\Interceptors\Cms;
+namespace Kirby\Kql\Interceptors\Content;
 
 use Kirby\Kql\Interceptor;
 

src/Kql/Interceptors/Cms/Field.php → src/Kql/Interceptors/Content/Field.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Kirby\Kql\Interceptors\Cms;
+namespace Kirby\Kql\Interceptors\Content;
 
 use Kirby\Kql\Interceptor;