import type { IServerAccountStore, IServerAccount } from './server.interfaces.js';
/**
 * In-memory account storage for the ACME server.
 */
export declare class MemoryAccountStore implements IServerAccountStore {
    private accounts;
    private byThumbprint;
    private byUrl;
    create(account: IServerAccount): Promise<IServerAccount>;
    getByThumbprint(thumbprint: string): Promise<IServerAccount | null>;
    getByUrl(url: string): Promise<IServerAccount | null>;
}