first commit -> move some files from one-api

vendor/aws_sdk/Aws/DynamoDb/SetValue.php

@@ -0,0 +1,50 @@
+<?php
+namespace Aws\DynamoDb;
+
+/**
+ * Special object to represent a DynamoDB set (SS/NS/BS) value.
+ */
+class SetValue implements \JsonSerializable, \Countable, \IteratorAggregate
+{
+    /** @var array Values in the set as provided. */
+    private $values;
+
+    /**
+     * @param array  $values Values in the set.
+     */
+    public function __construct(array $values)
+    {
+        $this->values = $values;
+    }
+
+    /**
+     * Get the values formatted for PHP and JSON.
+     *
+     * @return array
+     */
+    public function toArray()
+    {
+        return $this->values;
+    }
+
+    /**
+     * @return int
+     */
+    #[\ReturnTypeWillChange]
+    public function count()
+    {
+        return count($this->values);
+    }
+
+    #[\ReturnTypeWillChange]
+    public function getIterator()
+    {
+        return new \ArrayIterator($this->values);
+    }
+
+    #[\ReturnTypeWillChange]
+    public function jsonSerialize()
+    {
+        return $this->toArray();
+    }
+}