Make adapters accepsible via authentication getter

Author: ilijastuden

src/Authentication.php

@@ -82,4 +82,12 @@ public function authorize(AuthorizerInterface $authorizer, AdapterInterface $ada
 
         return $adapter->authenticate($user);
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAdapters()
+    {
+        return $this->adapters;
+    }
 }

src/AuthenticationInterface.php

@@ -35,4 +35,9 @@ public function initialize(RequestInterface $request);
      * @return AuthenticatedUserInterface
      */
     public function authorize(AuthorizerInterface $authorizer, AdapterInterface $adapter, array $credentials);
+
+    /**
+     * @return AdapterInterface[]
+     */
+    public function getAdapters();
 }