export type AuditEventType = "environment_create" | "environment_update" | "environment_delete" | "secret_fetch" | "secret_rotate" | "provision_start" | "provision_complete" | "provision_failed" | "auth_success" | "auth_failure" | "access_denied";
export type AuditEvent = {
    id: string;
    type: AuditEventType;
    timestamp: Date;
    userId?: string;
    username?: string;
    tenant?: string;
    resource: string;
    action: string;
    success: boolean;
    details?: Record<string, unknown>;
    ipAddress?: string;
    userAgent?: string;
    correlationId?: string;
};
export type ComplianceReport = {
    generatedAt: Date;
    period: {
        start: Date;
        end: Date;
    };
    summary: {
        totalEvents: number;
        successfulEvents: number;
        failedEvents: number;
        uniqueUsers: number;
        uniqueResources: number;
    };
    violations: ComplianceViolation[];
    recommendations: string[];
};
export type ComplianceViolation = {
    id: string;
    type: "security" | "compliance" | "operational";
    severity: "low" | "medium" | "high" | "critical";
    description: string;
    event: AuditEvent;
    remediation?: string;
};
export type AuditSink = {
    write(event: AuditEvent): Promise<void>;
    query(filter: AuditQuery): Promise<AuditEvent[]>;
    export(format: "json" | "csv" | "parquet", filter?: AuditQuery): Promise<string>;
};
export type AuditQuery = {
    startDate?: Date;
    endDate?: Date;
    userId?: string;
    eventType?: AuditEventType;
    resource?: string;
    success?: boolean;
    limit?: number;
};
export declare class MemoryAuditSink implements AuditSink {
    private events;
    private readonly maxEvents;
    constructor(maxEvents?: number);
    write(event: AuditEvent): Promise<void>;
    query(filter: AuditQuery): Promise<AuditEvent[]>;
    export(format: "json" | "csv" | "parquet", filter?: AuditQuery): Promise<string>;
}
export declare class FileAuditSink implements AuditSink {
    private readonly filePath;
    constructor(filePath: string);
    write(event: AuditEvent): Promise<void>;
    query(_filter: AuditQuery): Promise<AuditEvent[]>;
    export(_format: "json" | "csv" | "parquet", _filter?: AuditQuery): Promise<string>;
}
export declare class ComplianceAuditor {
    private readonly auditSink;
    constructor(auditSink: AuditSink);
    generateComplianceReport(startDate: Date, endDate: Date, tenant?: string): Promise<ComplianceReport>;
    private detectViolations;
    private generateRecommendations;
}
export declare class AuditLogger {
    private readonly sink;
    private readonly config;
    constructor(sink: AuditSink, config?: {
        includeSensitiveData?: boolean;
        correlationIdGenerator?: () => string;
    });
    log(event: Omit<AuditEvent, "id" | "timestamp">): Promise<void>;
    query(filter: AuditQuery): Promise<AuditEvent[]>;
    exportComplianceReport(startDate: Date, endDate: Date, tenant?: string): Promise<ComplianceReport>;
    private generateId;
}
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