import Database from 'better-sqlite3';
export interface AuditEntry {
    id?: string;
    timestamp?: number;
    projectId?: string;
    rootDid?: string;
    agentDid?: string;
    presenterDid?: string;
    action: string;
    provider?: string;
    enforcementType?: 'local' | 'gateway_verified_local' | 'cached_verified_local' | 'gateway';
    decisionSource?: 'local_policy' | 'org_policy' | 'cached_vc' | 'new_vc_from_quick_approve' | 'claimed_from_approval' | 'gateway_execution';
    executionType: 'gateway' | 'local';
    decision: 'allow' | 'deny';
    decisionReason?: string;
    requestedResource?: string;
    normalizedResource?: string;
    resourceFingerprint?: string;
    grantId?: string;
    credentialId?: string;
    approvalMode?: 'one_time' | 'persistent';
    approvalNonce?: string;
    metadata?: Record<string, unknown>;
}
export declare class AuditLogger {
    private readonly db;
    constructor(db: Database.Database);
    logEvent(entry: AuditEntry): string;
    getPendingEvents(limit?: number): (AuditEntry & {
        id: string;
    })[];
    markSynced(ids: string[]): void;
    private rowToEntry;
}
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