import { Dispatcher } from "undici";
/**
 * The one dispatcher every first-party brain hands its fetch: the sending members are the engine's
 * ({@link SENDING_MEMBERS}); every other member — state, lifecycle, events — is the host's, read when
 * accessed ({@link hostMember}), so nothing a fetch starts reading has to be added to a list here.
 * Stateless; owns no sockets.
 */
export declare const ENGINE_DISPATCHER: Dispatcher;
/** The `fetch` a brain sends its requests through: the caller's `fetchImpl` (else Node's `fetch`), each
 *  request carrying {@link ENGINE_DISPATCHER} in its init. */
export declare function resolveFetch(config: {
    fetchImpl?: typeof fetch;
}): typeof fetch;