import { FluentAsyncIterable } from '../..';
import { AsyncItemType, ErrorCallback } from '../base';
export interface FlatMergeFunction<T> {
    /**
     * When you have an iterable of async iterable, you can use this functions to merge all results into one iterable
     * where the first items will be the ones yielded first.
     * @param errorCallback if informed, this function will catch any error that occurs in some async iterable, preventing the code from throw it
     */
    <R extends AsyncItemType<T>>(errorCallback?: ErrorCallback): T extends AsyncIterable<any> ? FluentAsyncIterable<R> : never;
}