first commit -> move some files from one-api

vendor/aws_sdk/Aws/CacheInterface.php

@@ -0,0 +1,34 @@
+<?php
+namespace Aws;
+
+/**
+ * Represents a simple cache interface.
+ */
+interface CacheInterface
+{
+    /**
+     * Get a cache item by key.
+     *
+     * @param string $key Key to retrieve.
+     *
+     * @return mixed|null Returns the value or null if not found.
+     */
+    public function get($key);
+
+    /**
+     * Set a cache key value.
+     *
+     * @param string $key   Key to set
+     * @param mixed  $value Value to set.
+     * @param int    $ttl   Number of seconds the item is allowed to live. Set
+     *                      to 0 to allow an unlimited lifetime.
+     */
+    public function set($key, $value, $ttl = 0);
+
+    /**
+     * Remove a cache key.
+     *
+     * @param string $key Key to remove.
+     */
+    public function remove($key);
+}