/**
* Action to realise on a transaction. In an `EnableService` request message:   - Starts a transaction by a swipe-ahead mechanism, with the services which are enabled.   - Aborts a swipe-ahead transaction or started by a `CardAcquisition`, and not followed by a service request from the Sale System to complete the transaction. Possible values: * **StartTransaction** * **AbortTransaction**
*/
export declare enum TransactionAction {
    StartTransaction = "StartTransaction",
    AbortTransaction = "AbortTransaction"
}