async getSetupIntent(id, options = {}) {
        await this._rateLimitBucket.throttle();
        return await this._stripe.setupIntents.retrieve(id, options);
    }
Retrieve the Stripe SetupIntent object by ID.

@param {string} id
@param {import('stripe').Stripe.SetupIntentRetrieveParams} options

@returns {Promise<import('stripe').Stripe.SetupIntent>}