public function create(String $path = NULL) : String
    {
        if( isset($this->sets['filePath']) )
        {
            $path = $this->sets['filePath'];
        }

        # It keeps the used filters belonging to the GD class.
        # [5.7.8]added
        $this->sets['filters'] = $this->filters;

        $settings = $this->sets;
        
        $this->sets = [];

        return $this->image->thumb($path, $settings);
    }