/*!
 * https://github.com/Starcounter-Jack/JSON-Patch
 * (c) 2017-2021 Joachim Wester
 * MIT license
 */
import { Operation } from "./core.js";
export interface Observer<T> {
    object: T;
    patches: Operation[];
    unobserve: () => void;
    callback: (patches: Operation[]) => void;
}
/**
 * Detach an observer from an object
 */
export declare function unobserve<T>(root: T, observer: Observer<T>): void;
/**
 * Observes changes made to an object, which can then be retrieved using generate
 */
export declare function observe<T>(obj: object | T[], callback?: (patches: Operation[]) => void): Observer<T>;
/**
 * Generate an array of patches from an observer
 */
export declare function generate<T>(observer: Observer<object>, invertible?: boolean): Operation[];
/**
 * Create an array of patches from the differences in two objects
 */
export declare function compare(tree1: object | any[], tree2: object | any[], invertible?: boolean): Operation[];
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