import { HoistModel, BannerSpec } from '@xh/hoist/core';
import { BannerModel } from './BannerModel';
/**
 * Supporting model for managing the display of one or more app-wide banners.
 * @see XH.showBanner()
 * @internal
 */
export declare class BannerSourceModel extends HoistModel {
    xhImpl: boolean;
    bannerModels: BannerModel[];
    constructor();
    show(spec: BannerSpec): BannerModel;
    hide(category: string): void;
    private getBanner;
}