/*!
 * Jodit Editor (https://xdsoft.net/jodit/)
 * Released under MIT see LICENSE.txt in the project root for license information.
 * Copyright (c) 2013-2021 Valeriy Chupurnov. All rights reserved. https://xdsoft.net
 */
import './placeholder.less';
import type { IJodit } from '../../types';
import { Plugin } from '../../core/plugin';
declare module '../../config' {
    interface Config {
        showPlaceholder: boolean;
        useInputsPlaceholder: boolean;
        placeholder: string;
    }
}
export declare function isEditorEmpty(root: HTMLElement): boolean;
export declare class placeholder extends Plugin {
    private placeholderElm;
    protected afterInit(editor: IJodit): void;
    private addNativeListeners;
    private addEvents;
    private show;
    private hide;
    private toggle;
    protected beforeDestruct(jodit: IJodit): void;
}