Various code cleanup.

app/Support/Search/QueryParser/GdbotsQueryParser.php

@@ -31,6 +31,7 @@ use Gdbots\QueryParser\Node as GdbotsNode;
 use Gdbots\QueryParser\QueryParser as BaseQueryParser;
 use Illuminate\Support\Facades\Log;
 use LogicException;
+use Safe\Exceptions\FilesystemException;
 use TypeError;
 
 use function Safe\fwrite;
@@ -45,7 +46,11 @@ class GdbotsQueryParser implements QueryParserInterface
     }
 
     /**
+     * @param string $query
+     *
+     * @return NodeGroup
      * @throws FireflyException
+     * @throws FilesystemException
      */
     public function parse(string $query): NodeGroup
     {