first commit -> move some files from one-api

vendor/aws_v3/Aws/Arn/S3/AccessPointArn.php

@@ -0,0 +1,27 @@
+<?php
+namespace Aws\Arn\S3;
+
+use Aws\Arn\AccessPointArn as BaseAccessPointArn;
+use Aws\Arn\AccessPointArnInterface;
+use Aws\Arn\ArnInterface;
+use Aws\Arn\Exception\InvalidArnException;
+
+/**
+ * @internal
+ */
+class AccessPointArn extends BaseAccessPointArn implements AccessPointArnInterface
+{
+    /**
+     * Validation specific to AccessPointArn
+     *
+     * @param array $data
+     */
+    public static function validate(array $data)
+    {
+        parent::validate($data);
+        if ($data['service'] !== 's3') {
+            throw new InvalidArnException("The 3rd component of an S3 access"
+                . " point ARN represents the region and must be 's3'.");
+        }
+    }
+}