import { PipeTransform } from '@angular/core';
import { List, ListIterator, ListOfRecursiveArraysOrValues } from 'lodash';
export declare class FlatMapDepthPipe implements PipeTransform {
    transform<T, TResult>(collection: List<T> | null | undefined, iteratee: ListIterator<T, ListOfRecursiveArraysOrValues<TResult> | TResult>, depth?: number): TResult[];
}