import { IconName } from '@fortawesome/fontawesome-svg-core';
import { BannerSpec, HoistService, Intent } from '@xh/hoist/core';
/**
 * Service to display an app-wide alert banner, as configured via the Hoist Admin console.
 *
 * Note that the client is provided with updated banner data from the server via
 * EnvironmentService, and its regular polling.  See 'xhEnvPollConfig' for more information.
 */
export declare class AlertBannerService extends HoistService {
    xhImpl: boolean;
    static instance: AlertBannerService;
    get lastDismissed(): number;
    updateBanner(spec: AlertBannerSpec): Promise<void>;
    genBannerSpec(message: string, intent: Intent, iconName: IconName, enableClose: boolean): BannerSpec;
    private onClose;
    private isTargetedApp;
}
/** @internal */
export interface AlertBannerSpec {
    active: boolean;
    expires: number;
    publishDate: number;
    message: string;
    intent: Intent;
    iconName: AlertBannerIconName;
    enableClose: boolean;
    clientApps: string[];
    created: number;
    updated: number;
    updatedBy: string;
}
/** @internal */
export type AlertBannerIconName = 'bullhorn' | 'check-circle' | 'exclamation-triangle' | 'times-circle' | 'info-circle' | 'question-circle';