/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 */
/**
 * @deprecated A pure Lexical implementation is available in `@lexical/extension` as HorizontalRuleExtension
 */
export declare function HorizontalRulePlugin(): null;