Added influxdb library

lib/influxdb-php/vendor/symfony/config/Resource/ResourceInterface.php

@@ -0,0 +1,43 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Resource;
+
+/**
+ * ResourceInterface is the interface that must be implemented by all Resource classes.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface ResourceInterface
+{
+    /**
+     * Returns a string representation of the Resource.
+     *
+     * @return string A string representation of the Resource
+     */
+    public function __toString();
+
+    /**
+     * Returns true if the resource has not been updated since the given timestamp.
+     *
+     * @param int $timestamp The last time the resource was loaded
+     *
+     * @return bool True if the resource has not been updated, false otherwise
+     */
+    public function isFresh($timestamp);
+
+    /**
+     * Returns the tied resource.
+     *
+     * @return mixed The resource
+     */
+    public function getResource();
+}