import { AcmeCrypto } from './acme.classes.crypto.js';
import { type TAcmeLogger } from './acme.classes.http-client.js';
import type { IAcmeAccount, IAcmeAccountCreateRequest, IAcmeAuthorization, IAcmeChallenge, IAcmeIdentifier, IAcmeOrder } from './acme.interfaces.js';
export interface IAcmeClientOptions {
    directoryUrl: string;
    accountKeyPem: string;
    logger?: TAcmeLogger;
}
/**
 * Top-level ACME client facade.
 * Composes HTTP transport, account management, order lifecycle, and challenge handling.
 */
export declare class AcmeClient {
    private httpClient;
    private account;
    private orderManager;
    private challengeManager;
    /** Well-known CA directory URLs */
    static directory: {
        readonly letsencrypt: {
            readonly production: "https://acme-v02.api.letsencrypt.org/directory";
            readonly staging: "https://acme-staging-v02.api.letsencrypt.org/directory";
        };
        readonly buypass: {
            readonly production: "https://api.buypass.com/acme/directory";
            readonly staging: "https://api.test4.buypass.no/acme/directory";
        };
    };
    /** Crypto utilities */
    static crypto: typeof AcmeCrypto;
    constructor(options: IAcmeClientOptions);
    /**
     * Register or retrieve an ACME account
     */
    createAccount(request: IAcmeAccountCreateRequest): Promise<IAcmeAccount>;
    /**
     * Create a new certificate order
     */
    createOrder(opts: {
        identifiers: IAcmeIdentifier[];
    }): Promise<IAcmeOrder>;
    /**
     * Get all authorizations for an order
     */
    getAuthorizations(order: IAcmeOrder): Promise<IAcmeAuthorization[]>;
    /**
     * Compute the key authorization string for a challenge (sync)
     */
    getChallengeKeyAuthorization(challenge: IAcmeChallenge): string;
    /**
     * Notify the ACME server to validate a challenge
     */
    completeChallenge(challenge: IAcmeChallenge): Promise<void>;
    /**
     * Poll an ACME resource until it reaches valid/ready status
     */
    waitForValidStatus(item: {
        url: string;
    }): Promise<any>;
    /**
     * Finalize an order by submitting the CSR
     */
    finalizeOrder(order: IAcmeOrder, csrPem: string): Promise<void>;
    /**
     * Download the certificate chain (PEM)
     */
    getCertificate(order: IAcmeOrder): Promise<string>;
    /**
     * Destroy HTTP transport to release sockets and allow process exit.
     */
    destroy(): void;
}