import { Context, FetchOptions } from "@growthbook/edge-utils";
import type { CloudFrontRequest, CloudFrontResultResponse } from "aws-lambda";
import { Env } from "./init";
export declare function buildGetRequestURL(env: Env): (req: CloudFrontRequest) => string;
export declare function getRequestMethod(req: CloudFrontRequest): string;
export declare function getRequestHeader(req: CloudFrontRequest, key: string): string | undefined;
export declare function sendResponse(ctx: Context<CloudFrontRequest, CloudFrontResultResponse>, _res?: CloudFrontResultResponse, headers?: Record<string, string | undefined>, body?: string, cookies?: Record<string, string>, status?: number): CloudFrontResultResponse;
export declare function fetchFn(ctx: Context<CloudFrontRequest, CloudFrontResultResponse>, url: string, req: CloudFrontRequest, options?: FetchOptions): Promise<Response>;
export declare function proxyRequest(ctx: Context<CloudFrontRequest, CloudFrontResultResponse>, req: CloudFrontRequest): Promise<Response>;
export declare function responseToCloudFrontFormat(response: Response): Promise<CloudFrontResultResponse>;
export declare function getCookie(req: CloudFrontRequest, key: string): string;
export declare function setCookie(res: CloudFrontResultResponse, key: string, value: string): void;