import { Enumerable } from "./Enumerable";
export declare class CrossJoinEnumerable<T = any, T2 = any, R = any> extends Enumerable<R> {
    protected readonly parent: Enumerable<T>;
    protected readonly parent2: Enumerable<T2>;
    protected readonly resultSelector: (item1: T | null, item2: T2 | null) => R;
    constructor(parent: Enumerable<T>, parent2: Enumerable<T2>, resultSelector?: (item1: T | null, item2: T2 | null) => R);
    protected generator(): IterableIterator<R>;
}