/**
 * 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.
 *
 */
import type { LexicalEditor } from 'lexical';
export declare function registerPlainText(editor: LexicalEditor): () => void;
/**
 * An extension to register \@lexical/plain-text behavior
 */
export declare const PlainTextExtension: import("lexical").LexicalExtension<import("lexical").ExtensionConfigBase, "@lexical/plain-text", unknown, unknown>;