/**
 * ZIP extraction and building for PPTX files.
 *
 * Uses browser-native DecompressionStream/CompressionStream for DEFLATE.
 */
/** Result of extracting a ZIP archive. */
export interface ZipContents {
    textFiles: Map<string, string>;
    binaryFiles: Map<string, Uint8Array>;
}
/**
 * Extract all entries from a ZIP archive.
 *
 * Uses the Central Directory for reliable entry sizes, which handles
 * ZIP files with data descriptors (flag bit 3) where local header
 * sizes are set to 0 (e.g. files produced by Google Slides).
 */
export declare function extractZip(buffer: ArrayBuffer, log?: {
    warn(...args: unknown[]): void;
}): Promise<ZipContents>;
/**
 * Build a new ZIP by iterating the original ZIP entries and replacing
 * modified text entries with new content.
 *
 * @param originalBuffer - The original PPTX bytes
 * @param modifications - path → new XML content (replaces or adds entries)
 * @param removals - set of paths to remove from the ZIP
 * @returns Rebuilt ZIP as ArrayBuffer
 */
export declare function buildZip(originalBuffer: ArrayBuffer, modifications: Map<string, string>, removals?: Set<string>, binaryModifications?: Map<string, Uint8Array>): Promise<ArrayBuffer>;
//# sourceMappingURL=zip.d.ts.map