import "../_dnt.polyfills.js";
import { Rune } from "./Rune.js";
import { ValueRune } from "./ValueRune.js";
export declare class ArrayRune<T, U> extends Rune<T[], U> {
    mapArray<T2, U2>(fn: (value: ValueRune<T, never>) => Rune<T2, U2>): ArrayRune<T2, U | U2>;
}