private function getBlankLine(int $count = null):string
    {
        $out = "";
        for ($i = 0; $i < ($count ?: 1); $i++) {
            $out .= $this->getLine('');
        }
        return $out;
    }
private function getBlankLine(int $count = null):string
    {
        $out = "";
        for ($i = 0; $i < ($count ?: 1); $i++) {
            $out .= $this->getLine('');
        }
        return $out;
    }
private function getBlankLine ( int $ count = null ) : string { $ out = "" ; for ( $ i = 0 ; $ i < ( $ count ? : 1 ) ; $ i ++ ) { $ out .= $ this -> getLine ( '' ) ; } return $ out ; }
Returns a blank line.

@param int $count Number of lines to be returned
@return string
Returns a blank line .