import "../_dnt.polyfills.js";
import { Rune, RunicArgs } from "./Rune.js";
export declare class FnRune<F extends (...args: any[]) => any, U> extends Rune<F, U> {
    call<A extends any[], T, X>(this: FnRune<(...args: A) => T, U>, ...args: RunicArgs<X, A>): Rune.ValueRune<T, Rune.U<[Rune<(...args: A) => T, U>, ...{ [K in keyof A]: A[K] | Rune<A[K], RunicArgs.U<X>>; }][number]>>;
}