import { ErrorCallback } from '../../types/base';
export declare function mergeIterators<T>(callback: ErrorCallback | undefined, ...iterators: AsyncIterator<T>[]): AsyncIterable<T>;
/**
 * Merge the informed async iterables into one. The item orders will be defined from what is returned first
 * @param iterables the iterables to merge
 */
export declare function mergeIterables<T>(...iterables: AsyncIterable<T>[]): AsyncIterable<T>;
/**
 * Merge the informed async iterables into one. The item orders will be defined from what is returned first
 * @param callback A callback to case in case that any iterable throws an error. If informed, an failed iterable will not cause an error in the merging
 * @param iterables the iterables to merge
 */
export declare function mergeIterables<T>(callback: ErrorCallback, ...iterables: AsyncIterable<T>[]): AsyncIterable<T>;