public function convert(array $stmts, ClassMetadata $metadata, ClassCollector $classCollector, Logger $logger)
    {
        $this->metadata = $metadata;
        $this->classCollector = $classCollector;
        $this->logger = $logger;

        return ltrim(str_replace("\n".self::noIndentToken, "\n", $this->pStmts($stmts, false)));
    }