/**
 * ZIP writer (CONTRACTS.md §1).
 *
 * - `add` computes the CRC in-module, writes real sizes/CRC in the local
 *   header (never data descriptors), and deflates unless `compress: false`.
 * - `copyRaw` reproduces a source entry's compressed stream byte-for-byte and
 *   rebuilds its local header from central-directory values (bit 3 cleared).
 * - ZIP64 records are emitted automatically when entry count, sizes, or
 *   offsets exceed the classic limits.
 *
 * Output is deterministic: fixed default timestamps, no clock reads.
 */
import { type ZipAddOptions, type ZipRawEntry } from './common.js';
export declare class ZipWriter {
    #private;
    /**
     * Compress (unless `compress: false`) and append an entry. The local header
     * carries real sizes and CRC — no data descriptor, so bit 3 stays clear.
     * Flag bit 11 (UTF-8 name) is set only for non-ASCII names.
     */
    add(name: string, data: Uint8Array, options?: ZipAddOptions): Promise<void>;
    /**
     * Append a raw entry from `ZipReader.readRaw` without recompressing: the
     * compressed stream is copied byte-for-byte, the local header is rebuilt
     * from central-directory values with bit 3 (data descriptor) cleared, and
     * all other metadata — times, versions, attributes, extra fields, comment —
     * carries over verbatim. ZIP64 extra fields are the one exception: they are
     * regenerated to match the entry's sizes and its offset in the new archive.
     */
    copyRaw(raw: ZipRawEntry): void;
    /**
     * Write the central directory (+ ZIP64 EOCD record and locator when needed)
     * and the end-of-central-directory record, and return the archive bytes.
     * The writer is unusable afterwards.
     */
    finish(): Promise<Uint8Array>;
}
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