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diff --git a/vendor/psy/psysh/src/Psy/Command/ListCommand/ClassEnumerator.php b/vendor/psy/psysh/src/Psy/Command/ListCommand/ClassEnumerator.php
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index 000000000..27a459433
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+++ b/vendor/psy/psysh/src/Psy/Command/ListCommand/ClassEnumerator.php
@@ -0,0 +1,80 @@
+<?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\Command\ListCommand;
+
+use Symfony\Component\Console\Input\InputInterface;
+
+/**
+ * Class Enumerator class.
+ */
+class ClassEnumerator extends Enumerator
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function listItems(InputInterface $input, \Reflector $reflector = null, $target = null)
+    {
+        // only list classes when no Reflector is present.
+        //
+        // TODO: make a NamespaceReflector and pass that in for commands like:
+        //
+        //     ls --classes Foo
+        //
+        // ... for listing classes in the Foo namespace
+
+        if ($reflector !== null || $target !== null) {
+            return;
+        }
+
+        // only list classes if we are specifically asked
+        if (!$input->getOption('classes')) {
+            return;
+        }
+
+        $classes = $this->prepareClasses(get_declared_classes());
+
+        if (empty($classes)) {
+            return;
+        }
+
+        return array(
+            'Classes' => $classes,
+        );
+    }
+
+    /**
+     * Prepare formatted class array.
+     *
+     * @param array $class
+     *
+     * @return array
+     */
+    protected function prepareClasses(array $classes)
+    {
+        natcasesort($classes);
+
+        // My kingdom for a generator.
+        $ret = array();
+
+        foreach ($classes as $name) {
+            if ($this->showItem($name)) {
+                $ret[$name] = array(
+                    'name'  => $name,
+                    'style' => self::IS_CLASS,
+                    'value' => $this->presentSignature($name),
+                );
+            }
+        }
+
+        return $ret;
+    }
+}