import TransactionModel from '../../common/models/TransactionModel';
/**
 * An abstraction for the persistence of Sidetree transactions.
 * Used to avoid re-fetching and reprocessing of transactions when the Sidetree node crashes or restarts.
 */
export default interface IUnresolvableTransactionStore {
    /**
     * Records the retry attempts of the given unresolvable transaction.
     */
    recordUnresolvableTransactionFetchAttempt(transaction: TransactionModel): Promise<void>;
    /**
     * Remove the given transaction from the list of unresolvable transactions.
     * No-op if the transaction does not exist in the list of unresolvable transactions.
     */
    removeUnresolvableTransaction(transaction: TransactionModel): Promise<void>;
    /**
     * Gets a list of unresolvable transactions due for retry processing.
     * @param maxReturnCount
     *   The maximum count of unresolvable transactions to return retry.
     *   If not given, the implementation determines the number of unresolvable transactions to return.
     */
    getUnresolvableTransactionsDueForRetry(maxReturnCount?: number): Promise<TransactionModel[]>;
    /**
     * Remove all unresolvable transactions with transaction number greater than the provided parameter.
     * If `undefined` is given, remove all transactions.
     */
    removeUnresolvableTransactionsLaterThan(transactionNumber?: number): Promise<void>;
}