import { BinaryIO } from '../common/BinaryIO.js';
import type { ArxFTS } from './FTS.js';
/**
 * @see https://github.com/arx/ArxLibertatis/blob/1.2.1/src/graphics/data/FastSceneFormat.h#L56
 */
export type ArxFtsHeader = {
    levelIdx: number;
    numberOfUniqueHeaders: number;
};
export declare class FtsHeader {
    static readFrom(binary: BinaryIO<ArrayBufferLike>): ArxFtsHeader;
    static accumulateFrom(json: ArxFTS, uncompressedSize: number): ArrayBuffer;
    static pathToLevelIdx(path: string): number;
    static levelIdxToPath(levelIdx: number): string;
    static sizeOf(): number;
}