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diff --git a/vendor/symfony/console/Symfony/Component/Console/Output/Output.php b/vendor/symfony/console/Symfony/Component/Console/Output/Output.php
new file mode 100644
index 0000000..3866dbc
--- /dev/null
+++ b/vendor/symfony/console/Symfony/Component/Console/Output/Output.php
@@ -0,0 +1,180 @@
+<?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\Output;
+
+use Symfony\Component\Console\Formatter\OutputFormatterInterface;
+use Symfony\Component\Console\Formatter\OutputFormatter;
+
+/**
+ * Base class for output classes.
+ *
+ * There are three levels of verbosity:
+ *
+ *  * normal: no option passed (normal output - information)
+ *  * verbose: -v (more output - debug)
+ *  * quiet: -q (no output)
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+abstract class Output implements OutputInterface
+{
+    private $verbosity;
+    private $formatter;
+
+    /**
+     * Constructor.
+     *
+     * @param integer                  $verbosity The verbosity level (self::VERBOSITY_QUIET, self::VERBOSITY_NORMAL, self::VERBOSITY_VERBOSE)
+     * @param Boolean                  $decorated Whether to decorate messages or not (null for auto-guessing)
+     * @param OutputFormatterInterface $formatter Output formatter instance
+     *
+     * @api
+     */
+    public function __construct($verbosity = self::VERBOSITY_NORMAL, $decorated = null, OutputFormatterInterface $formatter = null)
+    {
+        $this->verbosity = null === $verbosity ? self::VERBOSITY_NORMAL : $verbosity;
+        $this->formatter = null === $formatter ? new OutputFormatter() : $formatter;
+        $this->formatter->setDecorated((Boolean) $decorated);
+    }
+
+    /**
+     * Sets output formatter.
+     *
+     * @param OutputFormatterInterface $formatter
+     *
+     * @api
+     */
+    public function setFormatter(OutputFormatterInterface $formatter)
+    {
+        $this->formatter = $formatter;
+    }
+
+    /**
+     * Returns current output formatter instance.
+     *
+     * @return  OutputFormatterInterface
+     *
+     * @api
+     */
+    public function getFormatter()
+    {
+        return $this->formatter;
+    }
+
+    /**
+     * Sets the decorated flag.
+     *
+     * @param Boolean $decorated Whether to decorate the messages or not
+     *
+     * @api
+     */
+    public function setDecorated($decorated)
+    {
+        $this->formatter->setDecorated((Boolean) $decorated);
+    }
+
+    /**
+     * Gets the decorated flag.
+     *
+     * @return Boolean true if the output will decorate messages, false otherwise
+     *
+     * @api
+     */
+    public function isDecorated()
+    {
+        return $this->formatter->isDecorated();
+    }
+
+    /**
+     * Sets the verbosity of the output.
+     *
+     * @param integer $level The level of verbosity
+     *
+     * @api
+     */
+    public function setVerbosity($level)
+    {
+        $this->verbosity = (int) $level;
+    }
+
+    /**
+     * Gets the current verbosity of the output.
+     *
+     * @return integer The current level of verbosity
+     *
+     * @api
+     */
+    public function getVerbosity()
+    {
+        return $this->verbosity;
+    }
+
+    /**
+     * Writes a message to the output and adds a newline at the end.
+     *
+     * @param string|array $messages The message as an array of lines of a single string
+     * @param integer      $type     The type of output
+     *
+     * @api
+     */
+    public function writeln($messages, $type = 0)
+    {
+        $this->write($messages, true, $type);
+    }
+
+    /**
+     * Writes a message to the output.
+     *
+     * @param string|array $messages The message as an array of lines of a single string
+     * @param Boolean      $newline  Whether to add a newline or not
+     * @param integer      $type     The type of output
+     *
+     * @throws \InvalidArgumentException When unknown output type is given
+     *
+     * @api
+     */
+    public function write($messages, $newline = false, $type = 0)
+    {
+        if (self::VERBOSITY_QUIET === $this->verbosity) {
+            return;
+        }
+
+        $messages = (array) $messages;
+
+        foreach ($messages as $message) {
+            switch ($type) {
+                case OutputInterface::OUTPUT_NORMAL:
+                    $message = $this->formatter->format($message);
+                    break;
+                case OutputInterface::OUTPUT_RAW:
+                    break;
+                case OutputInterface::OUTPUT_PLAIN:
+                    $message = strip_tags($this->formatter->format($message));
+                    break;
+                default:
+                    throw new \InvalidArgumentException(sprintf('Unknown output type given (%s)', $type));
+            }
+
+            $this->doWrite($message, $newline);
+        }
+    }
+
+    /**
+     * Writes a message to the output.
+     *
+     * @param string  $message A message to write to the output
+     * @param Boolean $newline Whether to add a newline or not
+     */
+    abstract protected function doWrite($message, $newline);
+}