true if the object exists in live mode or the value false if the object exists in test mode. */ class CreditBalanceSummary extends \Stripe\SingletonApiResource { const OBJECT_NAME = 'billing.credit_balance_summary'; /** * Retrieves the credit balance summary for a customer. * * @param null|array|string $opts * * @throws \Stripe\Exception\ApiErrorException if the request fails * * @return \Stripe\Billing\CreditBalanceSummary */ public static function retrieve($opts = null) { $opts = \Stripe\Util\RequestOptions::parse($opts); $instance = new static(null, $opts); $instance->refresh(); return $instance; } }