import { HKT } from "@tsplus/stdlib/prelude/HKT";
/**
 * @tsplus type ReduceWithIndex
 */
export interface ReduceWithIndex<K, F extends HKT> extends HKT.Typeclass<F> {
    readonly Law: {
        readonly ReduceWithIndex: "ReduceWithIndex";
    };
    readonly reduceWithIndex: ReduceWithIndex.Fn<K, F>;
}
export declare namespace ReduceWithIndex {
    interface Fn<K, F extends HKT> {
        <A, B>(b: B, f: (k: K, b: B, a: A) => B): <R, E>(fa: HKT.Kind<F, R, E, A>) => B;
    }
}
//# sourceMappingURL=ReduceWithIndex.d.ts.map