import { IEventNotificationService, NotificationRequest, NotificationStatus, NotificationConfig, NotificationTemplate, NotificationHistory, BulkNotificationRequest, NotificationAnalytics, NotificationType, NotificationChannel } from '../interfaces/event-notification.interfaces';
import { CalendarEvent } from '../interfaces/event.interfaces';
/**
 * Event Notification Service Implementation
 * Provides comprehensive notification capabilities for events
 */
export declare class EventNotificationService implements IEventNotificationService {
    private defaultConfig;
    private templates;
    private userConfigs;
    private notifications;
    private notificationStatus;
    private history;
    private notificationCounter;
    private notificationSentCallbacks;
    private notificationFailedCallbacks;
    /**
     * Reset all internal state - used for test isolation
     */
    reset(): void;
    initialize(config?: Partial<NotificationConfig>): Promise<void>;
    sendNotification(request: NotificationRequest): Promise<NotificationStatus>;
    scheduleNotification(request: NotificationRequest): Promise<string>;
    sendBulkNotifications(request: BulkNotificationRequest): Promise<NotificationStatus[]>;
    cancelNotification(notificationId: string): Promise<void>;
    getNotificationStatus(notificationId: string): Promise<NotificationStatus | null>;
    configureUserNotifications(userId: string, config: NotificationConfig): Promise<void>;
    getUserNotificationConfig(userId: string): Promise<NotificationConfig | null>;
    createTemplate(template: NotificationTemplate): Promise<void>;
    updateTemplate(templateId: string, updates: Partial<NotificationTemplate>): Promise<void>;
    getTemplates(type?: NotificationType): Promise<NotificationTemplate[]>;
    deleteTemplate(templateId: string): Promise<void>;
    processEventNotifications(event: CalendarEvent, action: 'created' | 'updated' | 'deleted' | 'reminder'): Promise<void>;
    getNotificationHistory(userId?: string, dateRange?: {
        start: Date;
        end: Date;
    }, type?: NotificationType): Promise<NotificationHistory[]>;
    markNotificationInteraction(notificationId: string, interaction: 'opened' | 'clicked' | 'dismissed'): Promise<void>;
    getPendingNotifications(userId?: string): Promise<NotificationRequest[]>;
    getAnalytics(dateRange: {
        start: Date;
        end: Date;
    }, userId?: string): Promise<NotificationAnalytics>;
    testNotification(userId: string, channel: NotificationChannel, message: string): Promise<NotificationStatus>;
    cleanupExpiredNotifications(): Promise<number>;
    onNotificationSent(callback: (notification: NotificationRequest, status: NotificationStatus) => void): () => void;
    onNotificationFailed(callback: (notification: NotificationRequest, error: string) => void): () => void;
    private initializeDefaultTemplates;
    private simulateNotificationDelivery;
    private addToHistory;
    private sendEventCreatedNotifications;
    private sendEventUpdatedNotifications;
    private sendEventDeletedNotifications;
    private sendEventReminderNotifications;
    private calculateDeliveryRates;
    private calculateOpenRates;
    private calculateClickRates;
    private calculateTopChannels;
    private calculateEngagementScores;
    private calculateErrorStats;
}