Migrate RainLoop Webmail to use Facebook Graph API instead of FQL

rainloop/v/0.0.0/app/libraries/GuzzleHttp/Event/EventInterface.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace GuzzleHttp\Event;
+
+/**
+ * Base event interface used when dispatching events to listeners using an
+ * event emitter.
+ */
+interface EventInterface
+{
+    /**
+     * Returns whether or not stopPropagation was called on the event.
+     *
+     * @return bool
+     * @see Event::stopPropagation
+     */
+    public function isPropagationStopped();
+
+    /**
+     * Stops the propagation of the event, preventing subsequent listeners
+     * registered to the same event from being invoked.
+     */
+    public function stopPropagation();
+}