import { Widget } from '../models/Widget';
export declare class DashboardsWidgetService {
    private widgets;
    constructor();
    /**
     * Registers a widget into a global widgets collection.
     * @param widget The widget to register.
     */
    register(widget: Widget): void;
    /**
     * Removes a widget from the global widgets collection.
     * @param widget The widget to unregister.
     */
    unregister(widget: Widget): void;
    /**
     * Removes all widgets from the global widgets collection.
     */
    unregisterAll(): void;
    /**
     * Retrieves a registered widget object based on its type.
     * @param type The type of the widget to get.
     */
    getWidget(type: string): Widget;
    /**
     * Retrieves all registered widget objects.
     */
    getAllWidgets(): Widget[];
    /**
     * Retrieves the number of all registered wdigets.
     */
    count(): number;
    private exists(widget);
}