import type { CallHandler, ExecutionContext, NestInterceptor } from '@nestjs/common';
import type { Observable } from 'rxjs';
import { TranslationService } from '../shared/services/translation.service';
/**
 * 翻译拦截器
 * 自动翻译响应数据中标记为需要翻译的字段
 */
export declare class TranslationInterceptor implements NestInterceptor {
    private readonly translationService?;
    constructor(translationService?: TranslationService);
    intercept(context: ExecutionContext, next: CallHandler): Observable<any>;
}