import { type INewsletterSubscriptionRepository } from './repositories/newsletter-subscription-repository.interface';
import type { NewsletterSubscriptionResponseDto } from './dto/newsletter-subscription-response.dto';
export declare class NewsletterSubscriptionService {
    private readonly newsletterSubscriptionRepository;
    constructor(newsletterSubscriptionRepository: INewsletterSubscriptionRepository);
    subscribe(email: string): Promise<NewsletterSubscriptionResponseDto>;
}