import { IFrame, IWidgetTracker } from '@jupyterlab/apputils';
import { ABCWidgetFactory, DocumentRegistry, DocumentWidget } from '@jupyterlab/docregistry';
import { INotebookModel } from '@jupyterlab/notebook';
import { Token } from '@lumino/coreutils';
/**
 * A class that tracks Voilà Preview widgets.
 */
export interface IVoilaPreviewTracker extends IWidgetTracker<VoilaPreview> {
}
/**
 * The Voilà Preview tracker token.
 */
export declare const IVoilaPreviewTracker: Token<IVoilaPreviewTracker>;
/**
 * A DocumentWidget that shows a Voilà preview in an IFrame.
 */
export declare class VoilaPreview extends DocumentWidget<IFrame, INotebookModel> {
    /**
     * Instantiate a new VoilaPreview.
     * @param options The VoilaPreview instantiation options.
     */
    constructor(options: VoilaPreview.IOptions);
    /**
     * Dispose the preview widget.
     */
    dispose(): void;
    /**
     * Reload the preview.
     */
    reload(): void;
    /**
     * Get whether the preview reloads when the context is saved.
     */
    get renderOnSave(): boolean;
    /**
     * Set whether the preview reloads when the context is saved.
     */
    set renderOnSave(renderOnSave: boolean);
    private _renderOnSave;
}
/**
 * A namespace for VoilaPreview statics.
 */
export declare namespace VoilaPreview {
    /**
     * Instantiation options for `VoilaPreview`.
     */
    interface IOptions extends DocumentWidget.IOptionsOptionalContent<IFrame, INotebookModel> {
        /**
         * The Voilà URL function.
         */
        getVoilaUrl: (path: string) => string;
        /**
         * Whether to reload the preview on context saved.
         */
        renderOnSave?: boolean;
    }
}
export declare class VoilaPreviewFactory extends ABCWidgetFactory<VoilaPreview, INotebookModel> {
    private getVoilaUrl;
    defaultRenderOnSave: boolean;
    constructor(getVoilaUrl: (path: string) => string, options: DocumentRegistry.IWidgetFactoryOptions<VoilaPreview>);
    protected createNewWidget(context: DocumentRegistry.IContext<INotebookModel>): VoilaPreview;
}