import { DateService } from '@tc-libs/helper';
import { CallHandler, ExecutionContext, NestInterceptor } from '@nestjs/common';
import { Observable } from 'rxjs';
import { RequestModuleOptions } from '../request.module.options';
export declare class RequestTimestampInterceptor implements NestInterceptor<Promise<any>> {
    private readonly options;
    private readonly _date;
    private readonly maxRequestTimestampInMs;
    constructor(options: RequestModuleOptions, _date: DateService);
    intercept(context: ExecutionContext, next: CallHandler): Promise<Observable<Promise<any> | string>>;
}