Initial import.

vendor/guzzle/plugin-cache/Guzzle/Plugin/Cache/RevalidationInterface.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Guzzle\Plugin\Cache;
+
+use Guzzle\Http\Message\RequestInterface;
+use Guzzle\Http\Message\Response;
+
+/**
+ * Cache revalidation interface
+ */
+interface RevalidationInterface
+{
+    /**
+     * Performs a cache revalidation
+     *
+     * @param RequestInterface $request    Request to revalidate
+     * @param Response         $response   Response that was received
+     *
+     * @return bool Returns true if the request can be cached
+     */
+    public function revalidate(RequestInterface $request, Response $response);
+
+    /**
+     * Returns true if the response should be revalidated
+     *
+     * @param RequestInterface $request  Request to check
+     * @param Response         $response Response to check
+     *
+     * @return bool
+     */
+    public function shouldRevalidate(RequestInterface $request, Response $response);
+}