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vendor/symfony/console/Formatter/NullOutputFormatter.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Console\Formatter;
+
+/**
+ * @author Tien Xuan Vo <tien.xuan.vo@gmail.com>
+ */
+final class NullOutputFormatter implements OutputFormatterInterface
+{
+    private $style;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function format(?string $message): ?string
+    {
+        return null;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getStyle(string $name): OutputFormatterStyleInterface
+    {
+        // to comply with the interface we must return a OutputFormatterStyleInterface
+        return $this->style ?? $this->style = new NullOutputFormatterStyle();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hasStyle(string $name): bool
+    {
+        return false;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function isDecorated(): bool
+    {
+        return false;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setDecorated(bool $decorated): void
+    {
+        // do nothing
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setStyle(string $name, OutputFormatterStyleInterface $style): void
+    {
+        // do nothing
+    }
+}