import type { IncomingMessage, ServerResponse } from "node:http";
import type { Duplex } from "node:stream";
export type ProviderProxy = {
    handleRequest(request: IncomingMessage, response: ServerResponse): Promise<void>;
    handleUpgrade(request: IncomingMessage, socket: Duplex, head: Buffer): Promise<void>;
};
export type ProviderProxyOptions = {
    isAllowedProviderOrigin(origin: string, requestAuthToken: string | undefined): Promise<boolean>;
};
export declare function isProviderProxyPath(pathname: string): boolean;
export declare function extractProviderProxyOrigin(pathname: string): string | undefined;
export declare function createProviderProxy({ isAllowedProviderOrigin }: ProviderProxyOptions): ProviderProxy;