public function __call($name, array $args)
{
$args = isset($args[0]) ? $args[0] : [];
if (strpos($name, 'createMultiRegion') === 0) {
return $this->createMultiRegionClient(substr($name, 17), $args);
} elseif (strpos($name, 'create') === 0) {
return $this->createClient(substr($name, 6), $args);
}
throw new \BadMethodCallException("Unknown method: {$name}.");
}