/**
 * Store watch helpers.
 */
import type { Store } from './types';
export type WatchStoreOptions<T> = {
    /** Call the callback immediately with the current value. */
    immediate?: boolean;
    /** Use deep comparison when determining changes. */
    deep?: boolean;
    /** Custom equality check for selected values. */
    equals?: (a: T, b: T) => boolean;
};
/**
 * Watch a selected slice of store state.
 *
 * @param store - The store instance
 * @param selector - Function to select the watched value
 * @param callback - Called when the selected value changes
 * @param options - Watch options
 * @returns Unsubscribe function
 */
export declare const watchStore: <S extends Record<string, unknown>, G extends Record<string, unknown>, A extends Record<string, (...args: any[]) => any>, T>(store: Store<S, G, A>, selector: (state: S) => T, callback: (value: T, previous: T | undefined) => void, options?: WatchStoreOptions<T>) => (() => void);
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