import { CallbackHandler, RequestResult, RemoteRequest } from "./types";
export declare const ASYNC_CALLBACK_TIMEOUT = 60000;
declare class RequestHandler {
    protected _asyncId: number;
    protected _callbacks: CallbackHandler;
    private getAsyncId;
    register(message: RemoteRequest, sender: Function): Promise<unknown>;
    private isCallbackExisting;
    runCallback({ asyncId, result }: RequestResult): void;
}
declare const _default: RequestHandler;
export default _default;