public function setUploadFolderPath($absolutePath)
    {
        if (!empty($this->dummyFiles) || !empty($this->dummyFolders)) {
            throw new Exception(
                'The upload folder path must not be changed if there are already dummy files or folders.',
                1334439424
            );
        }

        $this->uploadFolderPath = $absolutePath;
    }