import type { MiddlewareOptions, RateLimiter } from '../types';
export interface FastifyLikeInstance {
    addHook(name: 'onRequest', hook: (request: FastifyRequest, reply: FastifyReply) => void | Promise<void>): void;
}
export interface FastifyRequest {
    id?: string;
    ip?: string;
    headers: Record<string, string | string[] | undefined>;
    method?: string;
    url?: string;
    routerPath?: string;
    routeConfig?: {
        url?: string;
    };
    [key: string]: any;
}
export interface FastifyReply {
    code?(statusCode: number): this;
    status?(statusCode: number): this;
    header?(name: string, value: string | number): this;
    headers?(values: Record<string, string | number>): this;
    setHeader?(name: string, value: string | number): this;
    send?(payload: any): void;
    [key: string]: any;
}
export type FastifyPluginDone = (err?: Error) => void;
export declare function createFastifyPlugin(rateLimiter: RateLimiter, options?: MiddlewareOptions): (instance: FastifyLikeInstance, _opts: unknown, done: FastifyPluginDone) => void;