import { Logger } from 'pino';
import { HoldingUpdatedArg, AllocationUpdatedArg, ChannelFinalizedArg, ChallengeRegisteredArg, ChainEventSubscriberInterface } from './types';
/**
 * This class is a wrapper of ChainEventSubscriberInterface.
 * Purpose - 2 functions can trigger AssetHolder events to be played to ChainEventSubscriberInterface
 *    1. chainservice.getInitialHoldings
 *    2. chainservice.onAssetEvent
 * Some events can be played twice by both functions, order not predictable,
 * this class ensures each event is played once and in the right order
 */
export declare class EventTracker {
    private logger;
    private eventRecordFor;
    private managedSubscriber;
    constructor(managedSubscriber: ChainEventSubscriberInterface, logger: Logger);
    private isNewEvent;
    holdingUpdated(arg: HoldingUpdatedArg, blockNumber: number, logIndex?: number): void;
    allocationUpdated(arg: AllocationUpdatedArg, blockNumber: number, logIndex: number): void;
    channelFinalized(arg: ChannelFinalizedArg): void;
    challengeRegistered(arg: ChallengeRegisteredArg): void;
}
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