/// <reference types="node" />
/// <reference types="node" />
/// <reference types="node" />
/// <reference types="node" />
import { IncomingMessage, ServerResponse } from 'node:http';
import type { Http2ServerRequest, Http2ServerResponse } from 'node:http2';
import type { Socket } from 'node:net';
import type { Readable } from 'node:stream';
import { FetchEvent } from './types';
export declare function isAsyncIterable(body: any): body is AsyncIterable<any>;
export interface NodeRequest {
    protocol?: string;
    hostname?: string;
    body?: any;
    url?: string;
    originalUrl?: string;
    method?: string;
    headers?: any;
    req?: IncomingMessage | Http2ServerRequest;
    raw?: IncomingMessage | Http2ServerRequest;
    socket?: Socket;
    query?: any;
}
export type NodeResponse = ServerResponse | Http2ServerResponse;
export declare function normalizeNodeRequest(nodeRequest: NodeRequest, RequestCtor: typeof Request): Request;
export declare function isReadable(stream: any): stream is Readable;
export declare function isNodeRequest(request: any): request is NodeRequest;
export declare function isServerResponse(stream: any): stream is NodeResponse;
export declare function isReadableStream(stream: any): stream is ReadableStream;
export declare function isFetchEvent(event: any): event is FetchEvent;
export declare function sendNodeResponse({ headers, status, statusText, body }: Response, serverResponse: NodeResponse): Promise<void>;
export declare function isRequestInit(val: unknown): val is RequestInit;