/**
 *   Copyright 2019 EPAM Systems
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */
import { Message } from '@phosphor/messaging';
import { Widget } from '@phosphor/widgets';
export interface IWidgetOptions {
    defaultRenderHolder: string;
    renderer?: IRenderer;
}
/**
 * A renderer for use with a running sessions widget.
 */
export interface IRenderer {
    createNode(): HTMLElement;
}
/**
 * The default implementation of `IRenderer`.
 */
export declare class Renderer implements IRenderer {
    nodeName: string;
    constructor(nodeName: string);
    createNode(): HTMLElement;
}
/**
 * The default `Renderer` instance.
 */
/**
 * A class that exposes the plugin sessions.
 */
export declare class BaseLegionWidget extends Widget {
    component: any;
    /**
     * Construct a new running widget.
     */
    constructor(options: IWidgetOptions);
    /**
     * Override widget's default show() to
     * refresh content every time widget is shown.
     */
    show(): void;
    refresh(): void;
    /**
     * The renderer used by the running widget.
     */
    readonly renderer: IRenderer;
    /**
     * Dispose of the resources used by the widget.
     */
    dispose(): void;
    /**
     * Handle the DOM events for the widget.
     *
     * @param event - The DOM event sent to the widget.
     *
     * #### Notes
     * This method implements the DOM `EventListener` interface and is
     * called in response to events on the widget's DOM nodes. It should
     * not be called directly by user code.
     */
    handleEvent(event: Event): void;
    /**
     * A message handler invoked on an `'after-attach'` message.
     */
    protected onAfterAttach(msg: Message): void;
    /**
     * A message handler invoked on a `'before-detach'` message.
     */
    protected onBeforeDetach(msg: Message): void;
    /**
     * Handle the `'click'` event for the widget.
     *
     * #### Notes
     * This listener is attached to the document node.
     */
    private _evtChange;
    /**
     * Handle the `'click'` event for the widget.
     *
     * #### Notes
     * This listener is attached to the document node.
     */
    private _evtClick;
    /**
     * Handle the `'dblclick'` event for the widget.
     */
    private _evtDblClick;
    private _renderer;
}
export interface IWidgetRegistry<TargetWidget> {
    getOrConstruct(name: string): TargetWidget;
}
export declare type WidgetRegistryBuilder<TargetWidget> = (name: string) => TargetWidget;
export declare class WidgetRegistry<TargetWidget> implements IWidgetRegistry<TargetWidget> {
    private _storage;
    private _builder;
    constructor(builder: WidgetRegistryBuilder<TargetWidget>);
    getOrConstruct(name: string): TargetWidget;
}