public function autoStop():string
    {
        $src = '';
        $this->status === self::STATUS_IN_CELL      && $src .= $this->endCell();
        $this->status === self::STATUS_IN_ROW       && $src .= $this->endRow();
        $this->status === self::STATUS_IN_CONTAINER && $src .= $this->endContainer($this->autoContainer);
        $this->autoCols = self::DEFAULT_COLS;
        $this->autoFluid = self::DEFAULT_FLUID;
        $this->autoCurrentCol = 0;
        $this->autoStarted = false;
        return $src;
    }