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diff --git a/vendor/psy/psysh/src/Psy/Output/PassthruPager.php b/vendor/psy/psysh/src/Psy/Output/PassthruPager.php
new file mode 100644
index 000000000..5bcbf7968
--- /dev/null
+++ b/vendor/psy/psysh/src/Psy/Output/PassthruPager.php
@@ -0,0 +1,39 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Output;
+
+use Symfony\Component\Console\Output\StreamOutput;
+
+/**
+ * A passthrough pager is a no-op. It simply wraps a StreamOutput's stream and
+ * does nothing when the pager is closed.
+ */
+class PassthruPager extends StreamOutput implements OutputPager
+{
+    /**
+     * Constructor.
+     *
+     * @param StreamOutput $output
+     */
+    public function __construct(StreamOutput $output)
+    {
+        parent::__construct($output->getStream());
+    }
+
+    /**
+     * Close the current pager process.
+     */
+    public function close()
+    {
+        // nothing to do here
+    }
+}