--- /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\Input;
+
+/**
+ * StreamableInputInterface is the interface implemented by all input classes
+ * that have an input stream.
+ *
+ * @author Robin Chalas <robin.chalas@gmail.com>
+ */
+interface StreamableInputInterface extends InputInterface
+{
+ /**
+ * Sets the input stream to read from when interacting with the user.
+ *
+ * This is mainly useful for testing purpose.
+ *
+ * @param resource $stream The input stream
+ */
+ public function setStream($stream);
+
+ /**
+ * Returns the input stream.
+ *
+ * @return resource|null
+ */
+ public function getStream();
+}