Various code cleanup.

app/Http/Controllers/Transaction/CreateController.php

@@ -37,6 +37,9 @@ use Illuminate\Contracts\View\View;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
 
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
+use Safe\Exceptions\UrlException;
 use function Safe\parse_url;
 
 /**
@@ -98,10 +101,14 @@ class CreateController extends Controller
     /**
      * Create a new transaction group.
      *
+     * @param string|null $objectType
+     *
      * @return Factory|View
      *
-     * @throws FireflyException
-     *                                              */
+     * @throws ContainerExceptionInterface
+     * @throws NotFoundExceptionInterface
+     * @throws UrlException
+     */
     public function create(?string $objectType)
     {
         Preferences::mark();

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)
     {

app/Http/Controllers/Transaction/IndexController.php

@@ -34,6 +34,8 @@ use FireflyIII\Support\Http\Controllers\PeriodOverview;
 use Illuminate\Contracts\View\Factory;
 use Illuminate\Http\Request;
 use Illuminate\View\View;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
 
 /**
  * Class IndexController
@@ -67,9 +69,16 @@ class IndexController extends Controller
     /**
      * Index for a range of transactions.
      *
+     * @param Request     $request
+     * @param string      $objectType
+     * @param Carbon|null $start
+     * @param Carbon|null $end
+     *
      * @return Factory|View
      *
+     * @throws ContainerExceptionInterface
      * @throws FireflyException
+     * @throws NotFoundExceptionInterface
      */
     public function index(Request $request, string $objectType, ?Carbon $start = null, ?Carbon $end = null)
     {
@@ -123,7 +132,12 @@ class IndexController extends Controller
     /**
      * Index for ALL transactions.
      *
+     * @param Request $request
+     * @param string  $objectType
+     *
      * @return Factory|View
+     * @throws ContainerExceptionInterface
+     * @throws NotFoundExceptionInterface
      */
     public function indexAll(Request $request, string $objectType)
     {