import { StringKeyedObject, YjsProxiableValue } from './types';
import * as Y from "yjs";
/**
 * Checks if a value is object-like (not null and type is 'object').
 *
 * @param value The value to check.
 * @returns `true` if the value is object-like, `false` otherwise.
 */
export declare function isObjectLike(value: unknown): value is object;
/**
 * Checks if a value is a plain JavaScript object.
 *
 * @param value The value to check.
 * @returns `true` if the value is a plain object, `false` otherwise.
 */
export declare function isPlainObject(value: unknown): value is StringKeyedObject;
/**
 * Checks if a Y.js value has been deleted or its document destroyed.
 *
 * @param yjsValue The Y.js value to check.
 * @returns `true` if the value is deleted or destroyed, `false` otherwise.
 */
export declare function isYjsValueDeleted(yjsValue: Y.AbstractType<any>): boolean;
/**
 * Executes a function within a Y.js transaction if the value is attached to a document.
 *
 * @param yjsValue The Y.js value to check for a document.
 * @param fn The function to execute.
 * @param origin Optional transaction origin for tracking.
 * @returns The result of the function.
 */
export declare function transactIfPossible<T>(yjsValue: YjsProxiableValue, fn: () => T, origin?: unknown): T;
/**
 * Deeply freezes a plain object or array.
 *
 * @param obj The object or array to freeze.
 * @returns The frozen object or array.
 */
export declare function deepFreeze<T>(obj: T): T;