App\Ninja\PaymentDrivers\BraintreePaymentDriver::gatewayTypes PHP Method

    public function gatewayTypes()
    {
        $types = [GATEWAY_TYPE_CREDIT_CARD, GATEWAY_TYPE_TOKEN];
        if ($this->accountGateway && $this->accountGateway->getPayPalEnabled()) {
            $types[] = GATEWAY_TYPE_PAYPAL;
        }
        return $types;
    }