--- /dev/null
+<?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\Helper;
+
+/**
+ * Helper is the base class for all helper classes.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class Helper implements HelperInterface
+{
+ protected $helperSet = null;
+
+ /**
+ * Sets the helper set associated with this helper.
+ *
+ * @param HelperSet $helperSet A HelperSet instance
+ */
+ public function setHelperSet(HelperSet $helperSet = null)
+ {
+ $this->helperSet = $helperSet;
+ }
+
+ /**
+ * Gets the helper set associated with this helper.
+ *
+ * @return HelperSet A HelperSet instance
+ */
+ public function getHelperSet()
+ {
+ return $this->helperSet;
+ }
+}