import { MaxcsoBinOptions } from './maxcsoBin.js';
export interface UncompressedCrc32Options extends MaxcsoBinOptions {
    inputFilename: string;
}
export declare enum CsoFileType {
    CSO = "CISO",
    DAX = "DAX",
    ZSO = "ZISO"
}
export interface CsoInfo {
    fileType: CsoFileType;
    uncompressedSize: bigint;
    blockSize: number;
    version: number;
    indexAlignment: number;
}
declare const _default: {
    /**
     * Given a compressed CSO/ZSO/DAX file, get its uncompressed ISO's CRC32. This is fast/cheap to
     * calculate.
     */
    uncompressedCrc32(options: UncompressedCrc32Options, attempt?: number): Promise<string>;
    /**
     * Given a compressed CSO/ZSO/DAX file, get the information stored in its file header.
     */
    header(inputFilename: string): Promise<CsoInfo>;
};
export default _default;