import { type ClientHttp2Session, type ClientHttp2Stream, type IncomingHttpHeaders, type OutgoingHttpHeaders } from 'node:http2';
interface Http2FetchResponse {
    status: number;
    statusText: string;
    headers: IncomingHttpHeaders;
    body: ClientHttp2Stream;
    buffer: () => Promise<Buffer>;
    close: () => void;
    destroy: () => void;
}
interface Http2FetchOptions {
    method?: string;
    headers?: OutgoingHttpHeaders;
    body?: string | Buffer;
    timeout?: number;
    keepAlive?: number | boolean;
}
export declare class Http2TimeoutError extends Error {
    code: string | number;
    constructor(message: string);
}
export declare class Http2Client {
    clientCache: Record<string, ClientHttp2Session | undefined>;
    request(url: URL, options?: Http2FetchOptions): Promise<Http2FetchResponse>;
    private httpClient;
    destroy(client: ClientHttp2Session, origin: string): void;
}
export {};