fix async iterator example

README.md

@@ -113,7 +113,7 @@ The `page` methods do not fit every use case. If you find yourself retrieving mu
 
 ```javascript
 // Iterate over all payments.
-for await (let payment in mollieClient.payments.iterate()) {
+for await (const payment of mollieClient.payments.iterate()) {
   // (Use break to end the loop prematurely.)
 }
 ```

src/createMollieClient.ts

@@ -188,7 +188,7 @@ export { createMollieClient };
 
 export { ApiMode, Locale, PaymentMethod, HistoricPaymentMethod, SequenceType } from './data/global';
 export { CaptureEmbed } from './data/payments/captures/data';
-export { type MandateDetails, type MandateDetailsCreditCard, type MandateDetailsDirectDebit, MandateMethod, MandateStatus } from './data/customers/mandates/data';
+export { MandateMethod, MandateStatus } from './data/customers/mandates/data';
 export { MethodImageSize, MethodInclude } from './data/methods/data';
 export { OrderEmbed, OrderStatus } from './data/orders/data';
 export { OrderLineType } from './data/orders/orderlines/OrderLine';