/**
 * Normalizes a forwarded request by resolving its URL.
 * @param request - The original Request object.
 * @returns A new Request object with the resolved URL, or the original request if no changes are needed.
 */
declare function normalizeForwardedRequest(request: Request): Request;

/**
 * Fetches a resource using a proxy, normalizing the request and response.
 * @param input - The resource to fetch, either a URL or a Request object.
 * @param init - Optional RequestInit object to customize the request.
 * @param originRequest - Optional original Request object for additional context.
 * @returns A Promise that resolves to the Response object.
 */
declare function fetchWithProxy(input: RequestInfo | URL, init?: RequestInit, originRequest?: Request): Promise<Response>;
/**
 * Builds a proxy request by combining the input, init, and origin request.
 * @param input - The resource to fetch, either a URL or a Request object.
 * @param init - Optional RequestInit object to customize the request.
 * @param originRequest - Optional original Request object for additional context.
 * @returns A new Request object configured for proxying.
 */
declare function buildProxyRequest(input: RequestInfo | URL, init?: RequestInit, originRequest?: Request): Request;
/**
 * Builds a proxy response by removing hop-by-hop headers and handling content encoding.
 * @param response - The original Response object.
 * @returns A new Response object with normalized headers.
 */
declare function buildProxyResponse(response: Response): Response;

export { buildProxyRequest, buildProxyResponse, fetchWithProxy, normalizeForwardedRequest };