export { createRenewableDeferred as default, RenewableDeferred };
declare function createRenewableDeferred<T = void | undefined>(): RenewableDeferred<T>;
declare class RenewableDeferred<T = void | undefined> {
    resolve: (value: T | PromiseLike<T>) => void;
    reject: (reason?: any) => void;
    promise: Promise<T>;
    constructor();
    renew(): Promise<T>;
}