Add missing file. Updated dependencies.

Author: dunglas

composer.lock

@@ -0,0 +1,20 @@
+<?php
+
+namespace bar;
+
+class Child extends Foo implements BarInterface
+{
+    use BazTrait;
+
+    public function test($a)
+    {
+        parent::test($a);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function baz(array $a, $b)
+    {
+    }
+}