import { Draft } from "immer";
import { StateSignal } from '@ngrx/signals';
type VoidStateUpdater<State extends object> = (state: State) => void;
/**
 * Apply patches to the state which *allow mutations*.
 *
 * @param stateSignal The NGRX signal store object
 * @param updaters mutating update functions
 * @returns
 */
export declare function immutablePatchState<State extends object>(stateSignal: StateSignal<State>, ...updaters: Array<Partial<Draft<State & {}>> | VoidStateUpdater<Draft<State & {}>>>): void;
export {};