import { PanelComponent } from './panel.component';
export declare abstract class PanelGroup {
    type: 'default' | 'primary' | 'success' | 'info' | 'warning' | 'danger';
    cssClass: string;
    panels: PanelComponent[];
    $addItem(panel: PanelComponent): void;
    $removeItemById(id: any): void;
    $removeItem(panel: PanelComponent): void;
    private removeItemByIndex(index);
    protected abstract initPanel(panel: PanelComponent): any;
}