/// <reference types="node" />
import Web3 = require('web3');
import { Util } from '..';
import { RequestFactory as RequestFactoryContract } from '../../types/web3-contracts/RequestFactory';
import { EventEmitter } from 'events';
import { EventLog } from 'web3/types';
import { TemporalUnit } from '../eac';
import { BlockType } from 'web3/eth/types';
export default class RequestFactory {
    instance: RequestFactoryContract;
    util: Util;
    private web3;
    constructor(address: string, web3: Web3);
    readonly address: string;
    isKnownRequest(requestAddress: string): Promise<boolean>;
    watchRequestCreatedLogs(filter: {}, fromBlock: number, callback: (error: any, log: EventLog) => void): EventEmitter;
    stopWatch(event: EventEmitter): Promise<void>;
    watchRequestsByBucket(bucket: number, callback: any): Promise<EventEmitter>;
    calcBucket(windowStart: number, temporalUnit: TemporalUnit): number;
    getRequestCreatedEvents(filter?: object, fromBlock?: BlockType, toBlock?: BlockType, topics?: string[]): Promise<any[]>;
    getRequestsByOwner(owner: string, startBlock: BlockType, endBlock: BlockType): Promise<any[]>;
}