import type { RandomAccess } from '../reader/RandomAccess.js';
export type XzIndexPreflightResult = {
    isWithinLimits: boolean;
    requiredIndexBytes?: number;
    requiredIndexRecords?: number;
    requiredDictionaryBytes?: number;
    scannedStreamCount: number;
    isComplete: boolean;
    requiredBlockHeaderCount?: number;
    blockHeaderLimit?: number;
};
export type XzIndexPreflightOptions = {
    signal?: AbortSignal;
    maxIndexRecords: number;
    maxIndexBytes: number;
    maxDictionaryBytes: bigint;
    maxPreflightBlockHeaders: number;
};
export declare function preflightXzIndexLimits(reader: RandomAccess, size: bigint, options: XzIndexPreflightOptions): Promise<XzIndexPreflightResult | null>;
//# sourceMappingURL=xzIndexPreflight.d.ts.map