import type { IChallengeHandler } from './IChallengeHandler.js';
/**
 * HTTP-01 ACME challenge handler using in-memory storage.
 * Stores challenge tokens and key authorizations in memory
 * and serves them via handleRequest for arbitrary HTTP servers.
 */
export interface Http01MemoryHandlerChallenge {
    type: string;
    token: string;
    keyAuthorization: string;
    webPath: string;
}
export declare class Http01MemoryHandler implements IChallengeHandler<Http01MemoryHandlerChallenge> {
    private smartnetworkInstance;
    private smartdnsClient;
    private store;
    getSupportedTypes(): string[];
    prepare(ch: Http01MemoryHandlerChallenge): Promise<void>;
    verify(_ch: Http01MemoryHandlerChallenge): Promise<void>;
    cleanup(ch: Http01MemoryHandlerChallenge): Promise<void>;
    /**
     * HTTP request handler for serving ACME HTTP-01 challenges.
     * @param req HTTP request object (should have url property)
     * @param res HTTP response object
     * @param next Optional next() callback for Express-style fallthrough
     */
    handleRequest(req: any, res: any, next?: () => void): void;
    checkWetherDomainIsSupported(domainArg: string): Promise<boolean>;
}