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    <h3>Editing: OutputStyle.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Style;

use Symfony\Component\Console\Formatter\OutputFormatterInterface;
use Symfony\Component\Console\Helper\ProgressBar;
use Symfony\Component\Console\Output\ConsoleOutputInterface;
use Symfony\Component\Console\Output\OutputInterface;

/**
 * Decorates output to add console style guide helpers.
 *
 * @author Kevin Bond &lt;kevinbond@gmail.com&gt;
 */
abstract class OutputStyle implements OutputInterface, StyleInterface
{
    private $output;

    public function __construct(OutputInterface $output)
    {
        $this-&gt;output = $output;
    }

    /**
     * {@inheritdoc}
     */
    public function newLine(int $count = 1)
    {
        $this-&gt;output-&gt;write(str_repeat(\PHP_EOL, $count));
    }

    /**
     * @return ProgressBar
     */
    public function createProgressBar(int $max = 0)
    {
        return new ProgressBar($this-&gt;output, $max);
    }

    /**
     * {@inheritdoc}
     */
    public function write($messages, bool $newline = false, int $type = self::OUTPUT_NORMAL)
    {
        $this-&gt;output-&gt;write($messages, $newline, $type);
    }

    /**
     * {@inheritdoc}
     */
    public function writeln($messages, int $type = self::OUTPUT_NORMAL)
    {
        $this-&gt;output-&gt;writeln($messages, $type);
    }

    /**
     * {@inheritdoc}
     */
    public function setVerbosity(int $level)
    {
        $this-&gt;output-&gt;setVerbosity($level);
    }

    /**
     * {@inheritdoc}
     */
    public function getVerbosity()
    {
        return $this-&gt;output-&gt;getVerbosity();
    }

    /**
     * {@inheritdoc}
     */
    public function setDecorated(bool $decorated)
    {
        $this-&gt;output-&gt;setDecorated($decorated);
    }

    /**
     * {@inheritdoc}
     */
    public function isDecorated()
    {
        return $this-&gt;output-&gt;isDecorated();
    }

    /**
     * {@inheritdoc}
     */
    public function setFormatter(OutputFormatterInterface $formatter)
    {
        $this-&gt;output-&gt;setFormatter($formatter);
    }

    /**
     * {@inheritdoc}
     */
    public function getFormatter()
    {
        return $this-&gt;output-&gt;getFormatter();
    }

    /**
     * {@inheritdoc}
     */
    public function isQuiet()
    {
        return $this-&gt;output-&gt;isQuiet();
    }

    /**
     * {@inheritdoc}
     */
    public function isVerbose()
    {
        return $this-&gt;output-&gt;isVerbose();
    }

    /**
     * {@inheritdoc}
     */
    public function isVeryVerbose()
    {
        return $this-&gt;output-&gt;isVeryVerbose();
    }

    /**
     * {@inheritdoc}
     */
    public function isDebug()
    {
        return $this-&gt;output-&gt;isDebug();
    }

    protected function getErrorOutput()
    {
        if (!$this-&gt;output instanceof ConsoleOutputInterface) {
            return $this-&gt;output;
        }

        return $this-&gt;output-&gt;getErrorOutput();
    }
}
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