/**
 * COMPLIANCE & AUDIT LOGGING
 * Immutable audit trail, GDPR compliance, data retention
 */
export declare enum AuditEventType {
    USER_LOGIN = "user.login",
    USER_LOGOUT = "user.logout",
    API_KEY_CREATED = "api_key.created",
    API_KEY_REVOKED = "api_key.revoked",
    MODEL_REQUEST = "model.request",
    MODEL_RESPONSE = "model.response",
    DATA_EXPORT = "data.export",
    DATA_DELETION = "data.deletion",
    CONFIG_CHANGE = "config.change",
    PERMISSION_CHANGE = "permission.change",
    POLICY_VIOLATION = "policy.violation"
}
export declare enum ComplianceRegion {
    GDPR = "gdpr",// European Union
    CCPA = "ccpa",// California
    HIPAA = "hipaa",// Healthcare (US)
    SOC2 = "soc2",// Security standard
    ISO27001 = "iso27001"
}
export interface AuditEvent {
    id: string;
    timestamp: Date;
    type: AuditEventType;
    user_id?: string;
    tenant_id?: string;
    resource_type?: string;
    resource_id?: string;
    action: string;
    result: 'success' | 'failure';
    ip_address?: string;
    user_agent?: string;
    metadata?: Record<string, unknown>;
    compliance_flags?: ComplianceRegion[];
}
export interface DataRetentionPolicy {
    type: string;
    retention_days: number;
    archive_after_days?: number;
    compliance_regions: ComplianceRegion[];
}
export interface GDPRRequest {
    id: string;
    type: 'access' | 'deletion' | 'rectification' | 'portability';
    user_id: string;
    status: 'pending' | 'processing' | 'completed' | 'failed';
    created_at: Date;
    completed_at?: Date;
    result?: unknown;
}
export declare class AuditLogger {
    private events;
    private max_events;
    /**
     * Log audit event
     */
    log(params: {
        type: AuditEventType;
        action: string;
        result: 'success' | 'failure';
        user_id?: string;
        tenant_id?: string;
        resource_type?: string;
        resource_id?: string;
        ip_address?: string;
        user_agent?: string;
        metadata?: Record<string, unknown>;
        compliance_flags?: ComplianceRegion[];
    }): AuditEvent;
    /**
     * Query audit events
     */
    query(filters: {
        user_id?: string;
        tenant_id?: string;
        type?: AuditEventType;
        start_date?: Date;
        end_date?: Date;
        result?: 'success' | 'failure';
        limit?: number;
    }): AuditEvent[];
    /**
     * Export audit trail
     */
    export(format?: 'json' | 'csv'): string;
    /**
     * Get event count
     */
    count(): number;
    /**
     * Clear old events
     */
    clearOlderThan(days: number): number;
    private generateId;
}
export declare class GDPRComplianceManager {
    private requests;
    private audit_logger;
    constructor(audit_logger: AuditLogger);
    /**
     * Submit GDPR request
     */
    submitRequest(type: GDPRRequest['type'], user_id: string): GDPRRequest;
    /**
     * Get request status
     */
    getRequest(request_id: string): GDPRRequest | null;
    /**
     * Export user data (GDPR Article 20)
     */
    exportUserData(user_id: string): Promise<unknown>;
    /**
     * Delete user data (GDPR Article 17 - Right to be forgotten)
     */
    deleteUserData(user_id: string): Promise<void>;
    /**
     * Anonymize user data
     */
    anonymizeUserData(user_id: string): Promise<void>;
    private processRequest;
    private generateId;
}
export declare class DataRetentionManager {
    private policies;
    constructor();
    /**
     * Register retention policy
     */
    registerPolicy(policy: DataRetentionPolicy): void;
    /**
     * Get retention policy
     */
    getPolicy(type: string): DataRetentionPolicy | null;
    /**
     * Check if data should be retained
     */
    shouldRetain(type: string, created_at: Date): boolean;
    /**
     * Check if data should be archived
     */
    shouldArchive(type: string, created_at: Date): boolean;
    /**
     * Get data age in days
     */
    private getAgeDays;
    private initializeDefaultPolicies;
}
export declare class ComplianceReporter {
    private audit_logger;
    constructor(audit_logger: AuditLogger);
    /**
     * Generate compliance report
     */
    generateReport(params: {
        region: ComplianceRegion;
        start_date: Date;
        end_date: Date;
    }): {
        region: ComplianceRegion;
        period: {
            start: Date;
            end: Date;
        };
        total_events: number;
        events_by_type: Record<string, number>;
        policy_violations: number;
        data_exports: number;
        data_deletions: number;
    };
}
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