import { Component } from './component';
import { Data } from './types';
declare type StoreUpdateHandler = (state: any, changes: Record<string, unknown>) => void;
export interface StoreUpdateEntry {
    keys?: string[];
    component?: Component;
    handler?: StoreUpdateHandler;
}
export declare class Store<T = Data> {
    data: T;
    sync: boolean;
    private listeners;
    constructor(data?: T);
    /**
     * Returns current store data
     */
    get(): T;
    /**
     * Updates data in store
     */
    set(data: Partial<T>): void;
    /**
     * Subscribes to changes in given store
     * @param handler Function to invoke when store changes
     * @param keys Run handler only if given top-level keys are changed
     * @returns Object that should be used to unsubscribe from updates
     */
    subscribe(handler: StoreUpdateHandler, keys?: string[]): StoreUpdateEntry;
    /**
     * Unsubscribes from further updates
     */
    unsubscribe(obj: StoreUpdateEntry): void;
    /**
     * Watches for updates of given `keys` in store and runs `component` render on change
     */
    watch(component: Component, keys?: string[]): void;
    /**
     * Stops watching for store updates for given component
     */
    unwatch(component: Component): void;
}
export {};