Various code cleanup.

app/Support/ParseDateString.php

@@ -30,6 +30,7 @@ use Carbon\Exceptions\InvalidFormatException;
 use FireflyIII\Exceptions\FireflyException;
 use Illuminate\Support\Facades\Log;
 
+use Safe\Exceptions\PcreException;
 use function Safe\preg_match;
 
 /**
@@ -72,8 +73,11 @@ class ParseDateString
     }
 
     /**
-     * @throws FireflyException
+     * @param string $date
      *
+     * @return Carbon
+     * @throws FireflyException
+     * @throws PcreException
      * @SuppressWarnings("PHPMD.NPathComplexity")
      */
     public function parseDate(string $date): Carbon