import { NestMiddleware } from '@nestjs/common';
import { Request, Response } from 'express';
import { RequestScopeInterceptor } from './request-scope-interceptor';
import { Configuration } from '../configuration';
export declare const _REQUEST_STORAGE_NAMESPACE_KEY = "_GAE_NODE_NESTJS_REQUEST_STORAGE";
export declare const REQUEST_SCOPE_INTERCEPTORS = "REQ_SCOPE_INTERCEPTORS";
export declare class RequestScopeMiddleware implements NestMiddleware {
    private readonly interceptors;
    private readonly namespace?;
    private static enabled;
    constructor(configurationProvider: Configuration, interceptors: RequestScopeInterceptor[]);
    use(req: Request, res: Response, next: () => void): void;
    static isEnabled(): boolean;
    static isDisabled(): boolean;
}