/**
 * ZIP record builders (PKWARE APPNOTE)
 *
 * Shared by streaming zip writer and buffer zip builder.
 */
/**
 * Shared ZIP64 mode type.
 *
 * - "auto": write ZIP64 only when required by ZIP limits.
 * - true: force ZIP64 structures.
 * - false: forbid ZIP64; throw if required.
 */
export type Zip64Mode = boolean | "auto";
export declare const LOCAL_FILE_HEADER_SIG = 67324752;
export declare const CENTRAL_DIR_HEADER_SIG = 33639248;
export declare const END_OF_CENTRAL_DIR_SIG = 101010256;
export declare const DATA_DESCRIPTOR_SIG = 134695760;
export declare const ZIP64_END_OF_CENTRAL_DIR_SIG = 101075792;
export declare const ZIP64_END_OF_CENTRAL_DIR_LOCATOR_SIG = 117853008;
export declare const VERSION_NEEDED = 20;
export declare const VERSION_MADE_BY = 20;
export declare const VERSION_ZIP64 = 45;
export declare const COMPRESSION_STORE = 0;
export declare const COMPRESSION_DEFLATE = 8;
export declare const COMPRESSION_AES = 99;
export declare const FLAG_ENCRYPTED = 1;
export declare const FLAG_UTF8 = 2048;
export declare const FLAG_DATA_DESCRIPTOR = 8;
/** Unix file type mask */
export declare const S_IFMT = 61440;
/** Unix symbolic link type */
export declare const S_IFLNK = 40960;
/** Unix directory type */
export declare const S_IFDIR = 16384;
/** Unix regular file type */
export declare const S_IFREG = 32768;
/** MS-DOS / Windows OS code */
export declare const ZIP_OS_MSDOS = 0;
/** Unix OS code */
export declare const ZIP_OS_UNIX = 3;
/**
 * Extract Unix mode from ZIP external attributes.
 * Returns 0 if no Unix mode information is available.
 */
export declare function getUnixModeFromExternalAttributes(externalAttributes: number): number;
/**
 * Get the OS code from versionMadeBy field.
 */
export declare function getOsFromVersionMadeBy(versionMadeBy: number | undefined): number;
/**
 * Check if Unix mode indicates a symbolic link.
 */
export declare function isSymlinkMode(mode: number): boolean;
/**
 * Check if Unix mode indicates a directory.
 */
export declare function isDirectoryMode(mode: number): boolean;
export declare const UINT16_MAX = 65535;
export declare const UINT32_MAX = 4294967295;
export declare const ZIP_LOCAL_FILE_HEADER_FIXED_SIZE = 30;
export declare const ZIP_CENTRAL_DIR_HEADER_FIXED_SIZE = 46;
export declare const ZIP_END_OF_CENTRAL_DIR_FIXED_SIZE = 22;
export declare const ZIP64_END_OF_CENTRAL_DIR_FIXED_SIZE = 56;
export declare const ZIP64_END_OF_CENTRAL_DIR_LOCATOR_FIXED_SIZE = 20;
export declare const ZIP64_EXTRA_FIELD_ID = 1;
export interface ZipLocalFileHeaderInput {
    fileName: Uint8Array;
    extraField: Uint8Array;
    flags: number;
    compressionMethod: number;
    dosTime: number;
    dosDate: number;
    crc32: number;
    compressedSize: number;
    uncompressedSize: number;
    versionNeeded?: number;
}
export declare function writeLocalFileHeaderInto(out: Uint8Array, view: DataView, offset: number, input: ZipLocalFileHeaderInput): number;
export declare function buildLocalFileHeader(input: ZipLocalFileHeaderInput): Uint8Array;
export interface ZipCentralDirectoryHeaderInput {
    fileName: Uint8Array;
    extraField: Uint8Array;
    comment: Uint8Array;
    flags: number;
    compressionMethod: number;
    dosTime: number;
    dosDate: number;
    crc32: number;
    compressedSize: number;
    uncompressedSize: number;
    localHeaderOffset: number;
    versionMadeBy?: number;
    versionNeeded?: number;
    externalAttributes?: number;
}
export declare function writeCentralDirectoryHeaderInto(out: Uint8Array, view: DataView, offset: number, input: ZipCentralDirectoryHeaderInput): number;
export declare function buildCentralDirectoryHeader(input: ZipCentralDirectoryHeaderInput): Uint8Array;
export interface ZipEndOfCentralDirectoryInput {
    entryCount: number;
    centralDirSize: number;
    centralDirOffset: number;
    comment: Uint8Array;
}
export declare function writeEndOfCentralDirectoryInto(out: Uint8Array, view: DataView, offset: number, input: ZipEndOfCentralDirectoryInput): number;
export declare function buildEndOfCentralDirectory(input: ZipEndOfCentralDirectoryInput): Uint8Array;
export declare function buildDataDescriptor(crc32: number, compressedSize: number, uncompressedSize: number): Uint8Array<ArrayBuffer>;
export declare function buildDataDescriptorZip64(crc32: number, compressedSize: number, uncompressedSize: number): Uint8Array;
export declare function buildZip64ExtraField(input: {
    uncompressedSize?: number;
    compressedSize?: number;
    localHeaderOffset?: number;
    diskNumberStart?: number;
}): Uint8Array;
export declare function concatExtraFields(a: Uint8Array, b: Uint8Array): Uint8Array;
export interface Zip64EndOfCentralDirectoryInput {
    versionMadeBy?: number;
    versionNeeded?: number;
    diskNumber?: number;
    centralDirectoryDiskNumber?: number;
    entryCountOnDisk: number;
    entryCountTotal: number;
    centralDirSize: number;
    centralDirOffset: number;
}
export declare function writeZip64EndOfCentralDirectoryInto(out: Uint8Array, view: DataView, offset: number, input: Zip64EndOfCentralDirectoryInput): number;
export declare function buildZip64EndOfCentralDirectory(input: Zip64EndOfCentralDirectoryInput): Uint8Array;
export interface Zip64EndOfCentralDirectoryLocatorInput {
    zip64EndOfCentralDirectoryDiskNumber?: number;
    zip64EndOfCentralDirectoryOffset: number;
    totalDisks?: number;
}
export declare function writeZip64EndOfCentralDirectoryLocatorInto(out: Uint8Array, view: DataView, offset: number, input: Zip64EndOfCentralDirectoryLocatorInput): number;
export declare function buildZip64EndOfCentralDirectoryLocator(input: Zip64EndOfCentralDirectoryLocatorInput): Uint8Array;