import * as CodeMirror from 'codemirror';
import 'codemirror/mode/meta';
import 'codemirror/lib/codemirror.css';
import { Message } from 'phosphor-messaging';
import { ResizeMessage, Widget } from 'phosphor-widget';
/**
 * A widget which hosts a CodeMirror editor.
 */
export declare class CodeMirrorWidget extends Widget {
    /**
     * Construct a CodeMirror widget.
     */
    constructor(options?: CodeMirror.EditorConfiguration);
    /**
     * Dispose of the resources held by the widget.
     */
    dispose(): void;
    /**
     * Get the editor wrapped by the widget.
     *
     * #### Notes
     * This is a ready-only property.
     */
    editor: CodeMirror.Editor;
    /**
     * A message handler invoked on an `'after-attach'` message.
     */
    protected onAfterAttach(msg: Message): void;
    /**
     * A message handler invoked on an `'after-show'` message.
     */
    protected onAfterShow(msg: Message): void;
    /**
     * A message handler invoked on an `'resize'` message.
     */
    protected onResize(msg: ResizeMessage): void;
    private _editor;
    private _needsRefresh;
}