/**
 * Audit Logging Service
 *
 * Comprehensive audit logging for security events, admin actions, and system events
 */
export type AuditEventType = 'authentication' | 'authorization' | 'data_access' | 'configuration' | 'security' | 'api_usage' | 'system_event' | 'integration';
export declare enum TeamsAuditEvent {
    WEBHOOK_CREATED = "teams.webhook.created",
    WEBHOOK_UPDATED = "teams.webhook.updated",
    WEBHOOK_DELETED = "teams.webhook.deleted",
    WEBHOOK_TESTED = "teams.webhook.tested",
    SUBSCRIPTION_CREATED = "teams.subscription.created",
    SUBSCRIPTION_UPDATED = "teams.subscription.updated",
    SUBSCRIPTION_DELETED = "teams.subscription.deleted"
}
export type AuditStatus = 'success' | 'failure' | 'warning' | 'error';
export interface AuditLogEntry {
    userId?: string;
    userEmail?: string;
    action: string;
    eventType: AuditEventType;
    resource?: string;
    resourceType?: string;
    status?: AuditStatus;
    ipAddress?: string;
    userAgent?: string;
    metadata?: Record<string, unknown>;
    error?: string;
    accountId?: string;
}
export interface AuditLogFilters {
    userId?: string;
    userEmail?: string;
    action?: string;
    eventType?: AuditEventType;
    resourceType?: string;
    status?: AuditStatus;
    ipAddress?: string;
    accountId?: string;
    startDate?: Date;
    endDate?: Date;
    search?: string;
}
export interface AuditLogListResult {
    logs: Array<{
        id: string;
        userId: string | null;
        userEmail: string | null;
        action: string;
        eventType: string;
        resource: string | null;
        resourceType: string | null;
        status: string;
        ipAddress: string | null;
        userAgent: string | null;
        metadata: unknown;
        error: string | null;
        createdAt: Date;
        accountId: string | null;
    }>;
    total: number;
    page: number;
    pageSize: number;
}
export declare const AuditService: {
    /**
     * Create an audit log entry
     */
    log(entry: AuditLogEntry): Promise<void>;
    /**
     * List audit logs with filtering and pagination
     */
    list(filters?: AuditLogFilters, page?: number, pageSize?: number): Promise<AuditLogListResult>;
    /**
     * Get audit log by ID
     */
    getById(id: string): Promise<any>;
    /**
     * Export audit logs to CSV format
     */
    exportToCSV(filters?: AuditLogFilters): Promise<string>;
};
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