import type { IChallengeAssessRequest, IChallengeDecision, IChallengeProvider, IChallengeProviderManifest, IChallengeRenderRequest, IChallengeRenderResponse, IChallengeVerifyRequest, IChallengeVerifyResult } from './interfaces.js';
export interface ISmartChallengeClientOptions {
    baseUrl: string;
    providerId?: string;
    fetchImplementation?: typeof fetch;
    timeoutMs?: number;
    maxResponseBytes?: number;
}
export declare class SmartChallengeClient implements IChallengeProvider {
    readonly providerId: string;
    private readonly baseUrl;
    private readonly fetchImplementation;
    private readonly timeoutMs;
    private readonly maxResponseBytes;
    constructor(optionsArg: ISmartChallengeClientOptions);
    getManifest(): Promise<IChallengeProviderManifest>;
    assess(requestArg: IChallengeAssessRequest): Promise<IChallengeDecision>;
    render(requestArg: IChallengeRenderRequest): Promise<IChallengeRenderResponse>;
    verify(requestArg: IChallengeVerifyRequest): Promise<IChallengeVerifyResult>;
    private request;
    private readResponseText;
}