import { PrefixedHexString } from 'ethereumjs-util';
import { Address, LoggerInterface } from '@opengsn/common';
import { ServerAction, StoredTransaction } from './StoredTransaction';
export declare const TXSTORE_FILENAME = "txstore.db";
export declare class TxStoreManager {
    private readonly txstore;
    private readonly logger;
    constructor({ workdir, inMemory, autoCompactionInterval, recentActionAvoidRepeatDistanceBlocks }: {
        workdir?: string | undefined;
        inMemory?: boolean | undefined;
        autoCompactionInterval?: number | undefined;
        recentActionAvoidRepeatDistanceBlocks?: number | undefined;
    }, logger: LoggerInterface);
    putTx(tx: StoredTransaction, updateExisting?: boolean): Promise<void>;
    /**
     * Only for testing
     */
    getTxByNonce(signer: PrefixedHexString, nonce: number): Promise<StoredTransaction>;
    /**
     * Only for testing
     */
    getTxById(txId: string): Promise<StoredTransaction>;
    getTxsInNonceRange(signer: PrefixedHexString, fromNonce: number, toNonce?: number): Promise<StoredTransaction[]>;
    /**
     * NOTE: the transaction must satisfy *both* criteria to be removed
     */
    removeArchivedTransactions(upToMinedBlockNumber: number, upToMinedTimestamp: number): Promise<unknown>;
    clearAll(): Promise<void>;
    getAll(): Promise<StoredTransaction[]>;
    /**
     * The server is originally written to fully rely on blockchain events to determine its state.
     * However, on real networks the server's actions propagate slowly and server considers its state did not change.
     * To mitigate this, server should not repeat its actions for at least {@link recencyBlockCount} blocks.
     */
    isActionPendingOrRecentlyMined(serverAction: ServerAction, currentBlock: number, recencyBlockCount: number, destination?: Address | undefined): Promise<boolean>;
}