async getCardPaymentMethod(id) {
        await this._rateLimitBucket.throttle();
        const paymentMethod = await this._stripe.paymentMethods.retrieve(id);
        if (paymentMethod.type !== 'card') {
            return null;
        }

        return paymentMethod;
    }
Retrieve the Stripe PaymentMethod object by ID.

@param {string} id

@returns {Promise<import('stripe').Stripe.PaymentMethod|null>}