import { ConfigService } from '@nestjs/config';
import { RedisCacheService } from '../../common/cache/redis-cache.service';
import { type INewslettersRepository } from './repositories/newsletters-repository.interface';
import type { NewsletterDetailDto, NewsletterListResponseDto } from './dto/newsletter.dto';
import type { AppConfig } from '../../config/configuration';
export declare class NewslettersService {
    private readonly newsletterRepository;
    private readonly cache;
    private readonly configService;
    constructor(newsletterRepository: INewslettersRepository, cache: RedisCacheService, configService: ConfigService<AppConfig, true>);
    getNewsletters(locale: string, status: string, page: number, limit: number): Promise<NewsletterListResponseDto>;
    getNewsletterBySlug(slug: string): Promise<NewsletterDetailDto | null>;
}