import { EthApi } from "@joincivil/ethapi";
import { BigNumber, ChallengeData, EthAddress } from "@joincivil/typescript-types";
import { CivilTCRContract } from "../generated/wrappers/civil_t_c_r";
export declare class Challenge {
    private ethApi;
    private tcrInstance;
    private challengeId;
    private voting;
    private listingAddress?;
    constructor(ethApi: EthApi, instance: CivilTCRContract, challengeId: BigNumber, listingAddress?: EthAddress);
    getChallengeData(): Promise<ChallengeData>;
    getListingIdForChallenge(): Promise<EthAddress>;
    private getChallengeURI;
}