first commit -> move some files from one-api

vendor/aws_sdk/Aws/Token/RefreshableTokenProviderInterface.php

@@ -0,0 +1,23 @@
+<?php
+namespace Aws\Token;
+
+/**
+ * Provides access to an AWS token used for accessing AWS services
+ *
+ */
+interface RefreshableTokenProviderInterface
+{
+    /**
+     * Attempts to refresh this token object
+     *
+     * @return Token | Exception
+     */
+    public function refresh();
+
+    /**
+     * Check if a refresh should be attempted
+     *
+     * @return boolean
+     */
+    public function shouldAttemptRefresh();
+}