/**
 * ZIP extra field parsing helpers.
 *
 * Kept standalone so both streaming parser (`stream.base.ts`) and buffer parser
 * (`zip-parser.ts`) can share ZIP64 + Info-ZIP timestamp handling.
 */
export interface ZipVars {
    uncompressedSize: number;
    compressedSize: number;
    offsetToLocalFileHeader?: number;
}
export interface ZipExtraFields {
    uncompressedSize?: number;
    compressedSize?: number;
    offsetToLocalFileHeader?: number;
    /** Info-ZIP extended timestamp (0x5455) mtime, Unix seconds (UTC). */
    mtimeUnixSeconds?: number;
}
export declare function parseZipExtraFields(extraField: Uint8Array, vars: ZipVars): ZipExtraFields;
