import type { Campaign } from '../Interfaces/Campaign';
export declare class WebMessageScheduler {
    private static _isWebMessageOpen;
    private static _scheduledWebMessages;
    static initialize(): void;
    private static _showInWebMessage;
    static scheduleInWebMessage(campaign: Campaign): void;
    static getScheduledCampaignIds(): string[];
    static descheduleInWebMessage(campaignId?: string | null): void;
}
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