import { BlockchainService } from '@unilogin/contracts';
import { WalletEventCallback, WalletEventFilter, WalletEventType } from '../models/events';
import { WalletEventsObserver } from './WalletEventsObserver';
import { BlockNumberState } from '../states/BlockNumberState';
import { IStorageService } from '../models/IStorageService';
declare class WalletEventsObserverFactory {
    private blockchainService;
    private currentBlock;
    protected observers: Record<string, WalletEventsObserver>;
    private unsubscribe;
    private blockNumberStorage;
    constructor(blockchainService: BlockchainService, currentBlock: BlockNumberState, storageService?: IStorageService);
    start(): Promise<void>;
    fetchEvents(): Promise<void>;
    fetchEventsOfTypes(types: WalletEventType[]): Promise<void>;
    subscribe(eventType: WalletEventType, filter: WalletEventFilter, callback: WalletEventCallback): () => void;
    stop(): void;
    finalizeAndStop(): void;
}
export default WalletEventsObserverFactory;
//# sourceMappingURL=WalletEventsObserverFactory.d.ts.map