public function __call($name, array $args)
{
// Overcomes a naming collision with `AwsClient::getConfig`.
if (lcfirst($name) === 'getConfigFiles') {
$name = 'GetConfig';
} elseif (lcfirst($name) === 'getConfigFilesAsync') {
$name = 'GetConfigAsync';
}
return parent::__call($name, $args);
}