Klarna
constructor( firstName: String?, lastName: String?, purchaseCountry: String?, clientToken: String?, payNowAssetUrlsDescriptive: String?, payNowAssetUrlsStandard: String?, payNowName: String?, payNowRedirectUrl: String?, payLaterAssetUrlsDescriptive: String?, payLaterAssetUrlsStandard: String?, payLaterName: String?, payLaterRedirectUrl: String?, payOverTimeAssetUrlsDescriptive: String?, payOverTimeAssetUrlsStandard: String?, payOverTimeName: String?, payOverTimeRedirectUrl: String?, paymentMethodCategories: Set<String>, customPaymentMethods: Set<String>)