export declare class DeferredCall<Args, Result> {
    args: Args;
    resolve: (result: Result) => void;
    reject: (error: any) => void;
    promise: Promise<Result>;
    constructor(args: Args);
}
export declare class DeferredCallManager<Args, Result> {
    private calls;
    private subscriber;
    request(args: Args): Promise<Result>;
    handle(callback: (args: Args) => Promise<Result>): () => void;
}