import { Subject } from 'rxjs';
import { Changes } from './Change.js';

type ChangeDispatcher<T> = Subject<Changes<T>>;
declare const getChangeDispatcher: <O extends object>(obj: O, createIfNotExist?: boolean) => ChangeDispatcher<O> | undefined;
declare const dispatchChanges: <O extends object>(obj: O, changes: Changes<O>) => void;
declare const dispatchChange: <Key extends string, Value>(obj: object, key: Key, oldValue: Value, newValue: Value) => void;
declare const hasKeys: <O>(changes: Changes<O>, ...keys: (keyof O)[]) => boolean;

export { ChangeDispatcher, dispatchChange, dispatchChanges, getChangeDispatcher, hasKeys };