in membership-attribute-service/app/models/ExistingPaymentOption.scala [60:66]
def toJson(catalog: Catalog): JsObject = Json.obj(
"paymentType" -> (paymentMethodOption match {
case Some(_: PaymentCard) => "Card"
case Some(_: GoCardless) => "DirectDebit"
case Some(_: PayPalMethod) => "PayPal"
case _ => null
}),