Various code cleanup.

app/Helpers/Collector/GroupCollector.php

@@ -48,6 +48,7 @@ use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\Log;
 use Override;
 
+use Safe\Exceptions\JsonException;
 use function Safe\json_decode;
 
 /**
@@ -564,7 +565,11 @@ class GroupCollector implements GroupCollectorInterface
     }
 
     /**
+     * @param TransactionJournal $augumentedJournal
+     *
+     * @return array
      * @throws FireflyException
+     * @throws JsonException
      */
     private function parseAugmentedJournal(TransactionJournal $augumentedJournal): array
     {