/**
 * 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.
 *
 */
/**
 * This is a legacy plugin. When building an editor with the extension API,
 * configure {@link HorizontalRuleExtension} instead.
 *
 * @deprecated A pure Lexical implementation is available in `@lexical/extension`
 * as {@link HorizontalRuleExtension}
 */
export declare function HorizontalRulePlugin(): null;