import type { TlsConfig } from '@pnpm/types';
import { type Dispatcher } from 'undici';
export type ClientCertificates = Record<string, TlsConfig>;
export interface DispatcherOptions {
    ca?: string | string[] | Buffer;
    cert?: string | string[] | Buffer;
    key?: string | Buffer;
    localAddress?: string;
    maxSockets?: number;
    strictSsl?: boolean;
    timeout?: number;
    httpProxy?: string;
    httpsProxy?: string;
    noProxy?: boolean | string;
    clientCertificates?: ClientCertificates;
}
/**
 * Clear the dispatcher cache. Useful for testing.
 */
export declare function clearDispatcherCache(): void;
/**
 * Destroy the global dispatcher and every cached dispatcher, closing their open
 * sockets. Intended for process shutdown only: once called, the module can no
 * longer perform network requests. This is used to work around a Windows crash
 * that happens when the process exits while sockets are still open
 * (https://github.com/nodejs/node/issues/56645).
 */
export declare function destroyDispatchers(): Promise<void>;
/**
 * Get a dispatcher for the given URI and options.
 * Returns undefined if no special configuration is needed (to use global dispatcher).
 */
export declare function getDispatcher(uri: string, opts: DispatcherOptions): Dispatcher | undefined;