import { ForEachIterator, AsyncErrorCallback, Dictionary, ParallelCallback } from "../interfaces";
/**
 * This method enum all items in an array or an object one by one,
 * with index value.
 */
export declare function series<T, E>(data: Dictionary<T> | T[], next: ForEachIterator<T, E>, final: AsyncErrorCallback<E>): void;
/**
 * This method enum all items in an array or an object at once,
 * with index value.
 */
export declare function parallel<T, E>(data: Dictionary<T> | T[], next: ForEachIterator<T, E>, final: ParallelCallback<E>): void;
export declare function forEach_Promise<T, E>(data: Dictionary<T> | T[], next: ForEachIterator<T, E>): Promise<T>;