export interface GeofenceEvent {
    id: string;
    regionId: string;
    eventType: 'enter' | 'exit';
    timestamp: number;
    latitude: number;
    longitude: number;
    accuracy?: number;
    userId?: string;
    metadata?: Record<string, any>;
}
export interface ActivityEvent {
    id: string;
    activity: string;
    confidence: number;
    timestamp: number;
    latitude?: number;
    longitude?: number;
    userId?: string;
}
export interface SystemHealthEvent {
    id: string;
    type: 'health_alert' | 'status_change' | 'error';
    title: string;
    message: string;
    timestamp: number;
    severity: 'low' | 'medium' | 'high' | 'critical';
    metadata?: Record<string, any>;
}
export interface AnalyticsData {
    events: GeofenceEvent[];
    activities: ActivityEvent[];
    healthEvents: SystemHealthEvent[];
    summary: {
        totalEvents: number;
        totalActivities: number;
        totalHealthEvents: number;
        dateRange: {
            start: number;
            end: number;
        };
        mostActiveRegions: {
            regionId: string;
            count: number;
        }[];
        mostCommonActivities: {
            activity: string;
            count: number;
        }[];
    };
}
export interface DataManagerConfig {
    encryptData: boolean;
    encryptionKey?: string;
    maxEvents: number;
    maxActivities: number;
    maxHealthEvents: number;
    retentionDays: number;
    exportFormats: ('json' | 'csv')[];
    anonymizeData: boolean;
    autoCleanup: boolean;
}
export declare class DataManager {
    private config;
    private encryptionKey;
    private static readonly STORAGE_KEYS;
    constructor(config?: Partial<DataManagerConfig>);
    storeGeofenceEvent(event: Omit<GeofenceEvent, 'id'>): Promise<string>;
    storeActivityEvent(event: Omit<ActivityEvent, 'id'>): Promise<string>;
    storeHealthEvent(event: Omit<SystemHealthEvent, 'id'>): Promise<string>;
    getGeofenceEvents(filter?: {
        regionId?: string;
        eventType?: 'enter' | 'exit';
        startTime?: number;
        endTime?: number;
        userId?: string;
    }): Promise<GeofenceEvent[]>;
    getActivityEvents(filter?: {
        activity?: string;
        startTime?: number;
        endTime?: number;
        userId?: string;
    }): Promise<ActivityEvent[]>;
    getHealthEvents(filter?: {
        type?: string;
        severity?: string;
        startTime?: number;
        endTime?: number;
    }): Promise<SystemHealthEvent[]>;
    generateAnalytics(timeRange?: {
        start: number;
        end: number;
    }): Promise<AnalyticsData>;
    exportData(format: 'json' | 'csv', timeRange?: {
        start: number;
        end: number;
    }): Promise<string>;
    clearAllData(): Promise<void>;
    clearExpiredData(): Promise<void>;
    queueForSync(type: string, data: any): Promise<void>;
    getSyncQueue(): Promise<any[]>;
    clearSyncQueue(): Promise<void>;
    setUserConsent(consent: {
        location: boolean;
        analytics: boolean;
        storage: boolean;
        timestamp: number;
        version: string;
    }): Promise<void>;
    getUserConsent(): Promise<any>;
    private saveData;
    private loadData;
    private generateId;
    private generateEncryptionKey;
    private anonymizeCoordinate;
    private convertToCSV;
    private setupAutoCleanup;
}