import { NumberBucket, CountResult } from '../models/CountResult';
import { Iteratee } from './accesor';
/**
 * Count the amount of times a certain string or chain of strings appear in a collection
 *
 * @export
 * @template T
 * @param {T[]} array
 * @param {string[][]} buckets
 * @param {Iteratee<T, string>} iteratee
 * @return {CountResult}
 */
export declare function countByStringBuckets<T>(array: T[], buckets: string[][], iteratee: Iteratee<T, string>): CountResult;
/**
 * Count the amount of items inside a number bucket in a collection
 *
 * @export
 * @template T
 * @param {T[]} array
 * @param {NumberBucket[]} buckets
 * @param {Iteratee<T, number>} iteratee
 * @return {CountResult}
 */
export declare function countByNumberBuckets<T>(array: T[], buckets: NumberBucket[], iteratee: Iteratee<T, number>): CountResult;