import type { NodeRouteHandler } from "./http-kit.js";
import type { IncomingMessage } from "node:http";
import type { Duplex } from "node:stream";
import { type RemoteAccessController } from "./remote-access-auth.js";
export declare const portholePathPrefix = "/porthole/";
export type PortholeProxyContext = {
    upstreamOrigin: () => string | undefined;
};
export declare function isPortholePath(pathname: string): boolean;
export declare function createPortholeHttpHandler(context: PortholeProxyContext): NodeRouteHandler;
export declare function createPortholeUpgradeRoute(options: {
    allowedOrigins: () => Set<string>;
    remoteAccess: RemoteAccessController;
    upstreamOrigin: () => string | undefined;
}): {
    matches(pathname: string): boolean;
    handle(request: IncomingMessage, socket: Duplex, head: Buffer): void;
};