public function line( $key, $item, $showValues, $level )
    {
        $type = $this->getType( $item );
        $value = $this->getValue( $item );
        $spacing = str_repeat( "&gt;", $level );

        if ( $showValues )
            $output = "<tr><td>{$spacing}{$key}</td>\n<td>{$type}</td>\n<td>{$value}</td>\n</tr>\n";
        else
            $output = "<tr><td>{$spacing}{$key}</td>\n<td>{$type}</td>\n</tr>\n";

        return $output;
    }