import { Readable } from 'node:stream';
import { AuditLogModuleOptions } from '../interfaces/audit-log-options.interface';
import { AuditEntry, AuditCsvOptions, AuditGetByIdOptions, AuditQueryOptions, AuditQueryResult, AuditScanOptions, AuditScanPage, ManualAuditLogInput } from '../interfaces/audit-entry.interface';
export interface AuditPruneOptions {
    olderThan: Date;
    mode?: 'drop' | 'detach';
    dryRun?: boolean;
    client?: any;
    timeoutMs?: number;
    maxWaitMs?: number;
    /**
     * Last ACKed checkpoints for every required stream. Pruning is rejected when
     * it would pass any checkpoint and remove entries that stream has not ACKed.
     */
    requiredCheckpoints?: readonly string[];
}
export interface AuditPruneResult {
    layout: 'flat' | 'partitioned';
    mode: 'drop' | 'detach' | 'delete';
    prunedPartitions: string[];
    deletedRows: number | null;
    dryRun: boolean;
}
export declare class AuditService {
    private readonly options;
    private readonly Prisma;
    private readonly tableName;
    private readonly tableRef;
    private readonly maintenanceService;
    private readonly queryService;
    private readonly scanService;
    constructor(options: AuditLogModuleOptions);
    log(input: ManualAuditLogInput, tx?: any): Promise<void>;
    query(options: AuditQueryOptions): Promise<AuditQueryResult>;
    getById(id: string, options?: AuditGetByIdOptions): Promise<AuditEntry | null>;
    scan(options: AuditScanOptions): AsyncIterable<AuditScanPage>;
    exportCsv(options: AuditCsvOptions): Readable;
    prune(options: AuditPruneOptions): Promise<AuditPruneResult>;
    private warn;
    private errorWithCause;
}
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