import type { RateLimiter, MiddlewareOptions } from '../types';
export interface ExpressRequest {
    ip?: string;
    headers: Record<string, string | string[] | undefined>;
    method?: string;
    url?: string;
    [key: string]: any;
}
export interface ExpressResponse {
    status(code: number): this;
    json(body: any): this;
    set(field: string, value: string | number): this;
    set(fields: Record<string, string | number>): this;
    [key: string]: any;
}
export interface ExpressNextFunction {
    (error?: any): void;
}
export declare function createExpressMiddleware(rateLimiter: RateLimiter, options?: MiddlewareOptions): (req: ExpressRequest, res: ExpressResponse, next: ExpressNextFunction) => Promise<void>;