import { IDexHelper } from '../../dex-helper';
import { IStatefulRpcPoller } from './types';
export declare class StatePollingManager {
    protected dexHelper: IDexHelper;
    static readonly DEFAULT_BLOCK_NUMBER_DIFFERENCE_TO_ALERT = 10;
    private static __instances;
    static getInstance(dexHelper: IDexHelper): StatePollingManager;
    private _lastProcessedBlockNumber;
    private logger;
    private _registeredPendingPools;
    private _poolsToInstances;
    private _poolsToBeUpdated;
    private _idlePools;
    private constructor();
    get isMaster(): boolean;
    enableStateTracking(identifierKey: string): void;
    disableStateTracking(identifierKey: string): void;
    onBlockNumber(blockNumber: number): Promise<void>;
    protected _updatePoolStates(poolsToBeUpdated: IStatefulRpcPoller<any, any>[], blockNumber?: number | 'latest', numberOfChunks?: number): Promise<number>;
    private _keyToPoolInstance;
    initializeAllPendingPools(): void;
    registerPendingPool<T, M>(statefulRpcPoller: IStatefulRpcPoller<T, M>): void;
    initializePool<T, M>(statefulRpcPoller: IStatefulRpcPoller<T, M>): Promise<void>;
}