import { Payment, PaymentDraft, PaymentUpdateAction, Transaction } from '@commercetools/platform-sdk';
import { FindPaymentsByInterfaceId, FindTransaction, GetPayment, PaymentService, PaymentServiceOptions, TransactionData, UpdatePayment } from '../types/payment.type';
declare module '@commercetools/platform-sdk' {
    interface PaymentDraft {
        checkoutTransactionItemId?: string;
    }
    interface Payment {
        checkoutTransactionItemId?: string;
    }
}
/**
 * This is the default implementation of the PaymentService interface.
 */
export declare class DefaultPaymentService implements PaymentService {
    private ctAPI;
    private logger;
    constructor(opts: PaymentServiceOptions);
    getPayment(opts: GetPayment): Promise<Payment>;
    findPaymentsByInterfaceId(opts: FindPaymentsByInterfaceId): Promise<Payment[]>;
    createPayment(draft: PaymentDraft): Promise<Payment>;
    updatePayment(opts: UpdatePayment): Promise<Payment>;
    /**
     * Calculates exponential backoff delay with jitter
     * @param attempt - Current attempt number (0-based)
     * @returns Delay in milliseconds
     */
    private calculateExponentialBackoff;
    /**
     * Sleep for a specified duration
     * @param ms - Duration in milliseconds
     */
    private sleep;
    private consolidateUpdateActions;
    private populateSetInterfaceIdAction;
    private populateChangeTransactionInteractionId;
    private populateSetTransactionInterfaceId;
    private populateAddTransactionAction;
    private populateChangeTransactionState;
    private populateSetPaymentMethod;
    private populateSetMethodInfoToken;
    private populateSetMethodInfoInterface;
    private populateSetMethodInfoName;
    private populateSetMethodInfoInterfaceAccount;
    private populateSetMethodInfoCustomType;
    private populateSetMethodInfoCustomField;
    private populateSetCustomType;
    private populateAddInterfaceInteractions;
    findMatchingTransactions(payment: Payment, transaction: TransactionData): Transaction[];
    hasTransactionInState(opts: FindTransaction): boolean;
    consolidateTransactionChanges(payment: Payment, newTransaction: TransactionData): PaymentUpdateAction[];
    private shouldDiscardTransaction;
    private handleTransactionUpdates;
    private shouldUpdateTransactionState;
    private shouldUpdateInteractionId;
    private shouldUpdateTransactionInterfaceId;
    private throwMultipleMatchingTransactionsError;
}