docs: public PaymentIntent retrievePaymentIntentSynchronous(
              @NonNull PaymentIntentParams paymentIntentParams,
              @NonNull String publishableKey) throws AuthenticationException,
              InvalidRequestException,
              APIConnectionException,
              APIException {
          return mApiHandler.retrievePaymentIntent(
                  paymentIntentParams,
                  publishableKey,
                  mStripeAccount
          );
      }