Various code cleanup.

app/Http/Controllers/Transaction/EditController.php

@@ -35,6 +35,9 @@ use Illuminate\Http\RedirectResponse;
 use Illuminate\Routing\Redirector;
 use Illuminate\View\View;
 
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
+use Safe\Exceptions\UrlException;
 use function Safe\parse_url;
 
 /**
@@ -65,7 +68,12 @@ class EditController extends Controller
     }
 
     /**
+     * @param TransactionGroup $transactionGroup
+     *
      * @return Factory|Redirector|RedirectResponse|View
+     * @throws ContainerExceptionInterface
+     * @throws NotFoundExceptionInterface
+     * @throws UrlException
      */
     public function edit(TransactionGroup $transactionGroup)
     {