public static function api_support()
	{
		$existing_classes = get_declared_classes();

		foreach (glob(dirname(dirname(__FILE__)) . '/services/*.class.php') as $file)
		{
			include $file;
		}

		$with_sdk_classes = get_declared_classes();
		$new_classes = array_diff($with_sdk_classes, $existing_classes);
		$filtered_classes = array();
		$collect = array();

		foreach ($new_classes as $class)
		{
			if (strpos($class, 'Amazon') !== false)
			{
				$filtered_classes[] = $class;
			}
		}

		$filtered_classes = array_values($filtered_classes);

		foreach ($filtered_classes as $class)
		{
			$obj = new $class();
			$collect[get_class($obj)] = $obj->api_version;
			unset($obj);
		}

		return $collect;
	}