import { EventEmitter, EventOptions, EventResult, NeverminedEvent } from './NeverminedEvent';
import { ContractBase } from '../keeper';
import { Nevermined } from '../nevermined';
import { ethers } from 'ethers';
export declare class ContractEvent extends NeverminedEvent {
    static getInstance(contract: ContractBase, eventEmitter: EventEmitter, nevermined: Nevermined, web3: ethers.providers.JsonRpcProvider): ContractEvent;
    getEventData(options: EventOptions): EventResult;
    getPastEvents(options: EventOptions): EventResult;
    getBlockNumber(): Promise<number>;
    private eventExists;
    private filterToArgs;
}