export interface ComplianceAuditEvent {
    timestamp: string;
    action: string;
    specId: string;
    projectId: string;
    actor?: string;
    metadata?: Record<string, unknown>;
}
export declare function appendComplianceAuditEvent(event: ComplianceAuditEvent): Promise<void>;
export declare function loadComplianceAuditTrail(projectId: string, limit?: number): Promise<ComplianceAuditEvent[]>;
export declare function countComplianceAuditEvents(projectId: string): Promise<number>;
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