Fix more generic types

Signed-off-by: Alexander M. Turek <me@derrabus.de>

Author: derrabus

Kernel.php

@@ -58,7 +58,7 @@ class_exists(ConfigCache::class);
 abstract class Kernel implements KernelInterface, RebootableInterface, TerminableInterface
 {
     /**
-     * @var BundleInterface[]
+     * @var array<string, BundleInterface>
      */
     protected $bundles = [];
 

KernelInterface.php

@@ -31,7 +31,7 @@ interface KernelInterface extends HttpKernelInterface
     /**
      * Returns an array of bundles to register.
      *
-     * @return iterable<BundleInterface>
+     * @return iterable<mixed, BundleInterface>
      */
     public function registerBundles();
 
@@ -55,7 +55,7 @@ public function shutdown();
     /**
      * Gets the registered bundle instances.
      *
-     * @return BundleInterface[]
+     * @return array<string, BundleInterface>
      */
     public function getBundles();