import { Signal, SignalLike } from "./scope.js";
export type ArrayMutation = {
    _type: "a" | "r";
    _key: unknown;
    _index: number;
} | {
    _type: "m";
    _key: unknown;
    _from: number;
    _to: number;
};
export interface ArrayMutationResult {
    _mutations: ArrayMutation[];
    _map: Map<unknown, number>;
}
export declare const useArrayMutation: <T extends unknown>(array: SignalLike<readonly T[]>, keyFn: (entry: T, index: number) => unknown) => Signal<ArrayMutationResult>;