Rename plugins to libs and update all file references

libs/stripe-php/lib/Service/AbstractServiceFactory.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Stripe\Service;
+
+/**
+ * Abstract base class for all service factories used to expose service
+ * instances through {@link \Stripe\StripeClient}.
+ *
+ * Service factories serve two purposes:
+ *
+ * 1. Expose properties for all services through the `__get()` magic method.
+ * 2. Lazily initialize each service instance the first time the property for
+ *    a given service is used.
+ */
+abstract class AbstractServiceFactory
+{
+    use ServiceNavigatorTrait;
+
+    /**
+     * @param \Stripe\StripeClientInterface $client
+     */
+    public function __construct($client)
+    {
+        $this->client = $client;
+    }
+}