/**
 * @module Collection
 */
import { type ICollection, type Map } from "../../../../collection/contracts/_module.js";
/**
 * @internal
 */
export declare class CountByIterable<TInput, TOutput = TInput> implements Iterable<[
    TOutput,
    number
]> {
    private collection;
    private selectFn;
    constructor(collection: ICollection<TInput>, selectFn?: Map<TInput, ICollection<TInput>, TOutput>);
    [Symbol.iterator](): Iterator<[TOutput, number]>;
}