Rename plugins to libs and update all file references

libs/stripe-php/lib/V2/Core/Event.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Stripe\V2\Core;
+
+/**
+ * Base class for V2 events.
+ *
+ * This is concrete for use in our generated tests. Events returned from the \Stripe\V2\Core\EventService
+ * will be a subtype of \Stripe\V2\Core\Event.
+ *
+ * @property string $id Unique identifier for the event.
+ * @property string $object String representing the object's type. Objects of the same type share the same value of the object field.
+ * @property int $created Time at which the object was created.
+ * @property \Stripe\StripeObject $reason Reason for the event.
+ * @property string $type The type of the event.
+ * @property null|string $context The Stripe account of the event
+ */
+class Event extends \Stripe\ApiResource
+{
+    const OBJECT_NAME = 'v2.core.event';
+}