import { Readable } from 'node:stream';
import { AuditCsvOptions, AuditScanOptions, AuditScanPage } from '../interfaces/audit-entry.interface';
import { AuditLogModuleOptions } from '../interfaces/audit-log-options.interface';
import { PrismaModuleLike } from '../prisma/prisma-namespace';
/** @internal */
export declare class AuditScanService {
    private readonly options;
    private readonly Prisma;
    private readonly tableRef;
    constructor(options: AuditLogModuleOptions, Prisma: PrismaModuleLike['Prisma'], tableRef: unknown | null);
    scan(options: AuditScanOptions): AsyncIterable<AuditScanPage>;
    exportCsv(options: AuditCsvOptions, scan?: (options: AuditScanOptions) => AsyncIterable<AuditScanPage>): Readable;
    private scanPages;
    private csvChunks;
    private buildScanConditions;
    private resolveScanHighWatermark;
    private validateScanOptions;
    private compareCursorParts;
    private throwIfAborted;
    private buildWhere;
}
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