import './placeholder.less';
import type { IJodit } from 'jodit/types';
import { Plugin } from 'jodit/core/plugin/plugin';
import './config';
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;
}