/**
 * Minimal ZIP container reader/writer — just enough to read/write the OOXML
 * (.xlsx) package format. No external zip dependency: uses node:zlib's raw
 * deflate/inflate directly, and implements the ZIP local-file-header / central
 * directory / EOCD structures by hand. Not a general-purpose zip library —
 * scoped deliberately to what XLSX needs (STORED or DEFLATE, no encryption,
 * no zip64, no multi-disk archives).
 */
export interface ZipEntry {
    name: string;
    data: Buffer;
}
export declare function writeZip(entries: ZipEntry[]): Buffer;
export interface ReadZipOptions {
    /** Refuse to decompress a single entry larger than this (bytes). Defaults to 200MB. */
    maxEntrySize?: number;
    /** Refuse an archive whose total decompressed size exceeds this (bytes). Defaults to 500MB. */
    maxTotalSize?: number;
    /** Refuse an archive declaring more than this many entries. Defaults to 10,000. */
    maxEntries?: number;
}
export declare function readZip(buf: Buffer, opts?: ReadZipOptions): ZipEntry[];