export declare enum PromiseStatus {
    RESOLVED,
    REJECTED,
}
export interface PromiseResult<T> {
    error: any;
    status: PromiseStatus;
    value: T;
}
export declare class PromiseService {
    /**
     * @param data
     * @returns {Promise<any>}
     */
    allSettled(...data: Promise<any>[]): Promise<PromiseResult<any>[]>;
    /**
     * @param promises
     * @returns {function(...[any]): any}
     */
    chain(promises: Function[]): (...args: any[]) => Promise<any>;
    /**
     * @param data
     * @returns {Promise<T>}
     */
    hashAll<T>(entry: {
        [key: string]: Promise<T>;
    }): {
        [key: string]: Promise<T>;
    };
    /**
     * @param data
     * @returns {Promise<T>}
     */
    hashSettled<T>(entry: {
        [key: string]: Promise<any>;
    }): Promise<T>;
    /**
     * @param timeout
     * @returns {Promise<any>}
     */
    delay(timeout: number): Promise<any>;
}