/**
 * Node.js compression utilities using native zlib
 *
 * Supports multiple formats:
 * - deflate-raw: Raw DEFLATE (for ZIP files)
 * - gzip: GZIP format (for tar.gz, HTTP compression)
 */
export { type CompressOptions, hasCompressionStream, GZIP_ID1, GZIP_ID2, GZIP_CM_DEFLATE, GZIP_FLAG_FTEXT, GZIP_FLAG_FHCRC, GZIP_FLAG_FEXTRA, GZIP_FLAG_FNAME, GZIP_FLAG_FCOMMENT, GZIP_MIN_SIZE, isGzipData, hasGzipCompressionStream, hasGzipDecompressionStream, ZLIB_CM_DEFLATE, ZLIB_CINFO_MAX, ZLIB_MIN_SIZE, isZlibData, detectCompressionFormat, hasDeflateCompressionStream, hasDeflateDecompressionStream } from "./compress.base.js";
import type { CompressOptions } from "./compress.base.js";
/**
 * Check if Web Workers are available.
 * Always returns false in Node.js (zlib uses native thread pool).
 */
export declare function hasWorkerSupport(): boolean;
/** Convert Uint8Array to Node.js Buffer (zero-copy view) */
export declare function uint8ArrayToBuffer(data: Uint8Array): Buffer;
/** Convert Node.js Buffer to Uint8Array (zero-copy view) */
export declare function bufferToUint8Array(buffer: Buffer): Uint8Array;
/**
 * Compress data using Node.js native zlib
 *
 * @param data - Data to compress
 * @param options - Compression options
 * @returns Compressed data
 *
 * @example
 * ```ts
 * const data = new TextEncoder().encode("Hello, World!");
 * const compressed = await compress(data, { level: 6 });
 * ```
 */
export declare function compress(data: Uint8Array, options?: CompressOptions): Promise<Uint8Array>;
/**
 * Compress data synchronously using Node.js zlib
 *
 * @param data - Data to compress
 * @param options - Compression options
 * @returns Compressed data
 */
export declare function compressSync(data: Uint8Array, options?: CompressOptions): Uint8Array;
/**
 * Decompress data using Node.js native zlib
 *
 * @param data - Compressed data (deflate-raw format)
 * @returns Decompressed data
 */
export declare function decompress(data: Uint8Array, options?: CompressOptions): Promise<Uint8Array>;
/**
 * Decompress data synchronously using Node.js zlib
 *
 * @param data - Compressed data (deflate-raw format)
 * @returns Decompressed data
 */
export declare function decompressSync(data: Uint8Array): Uint8Array;
/**
 * Compress data with gzip
 */
export declare function gzip(data: Uint8Array, options?: CompressOptions): Promise<Uint8Array>;
/**
 * Decompress gzip data
 */
export declare function gunzip(data: Uint8Array, options?: CompressOptions): Promise<Uint8Array>;
/**
 * Compress data with gzip (sync)
 */
export declare function gzipSync(data: Uint8Array, options?: CompressOptions): Uint8Array;
/**
 * Decompress gzip data (sync)
 */
export declare function gunzipSync(data: Uint8Array): Uint8Array;
/**
 * Compress data with Zlib wrapper (RFC 1950)
 *
 * Zlib format: CMF + FLG header + DEFLATE data + Adler-32 checksum
 * Used for: PNG, HTTP deflate encoding, general-purpose compression
 */
export declare function zlib(data: Uint8Array, options?: CompressOptions): Promise<Uint8Array>;
/**
 * Decompress Zlib data (RFC 1950)
 */
export declare function unzlib(data: Uint8Array, options?: CompressOptions): Promise<Uint8Array>;
/**
 * Compress data with Zlib wrapper (sync)
 */
export declare function zlibSync(data: Uint8Array, options?: CompressOptions): Uint8Array;
/**
 * Decompress Zlib data (sync)
 */
export declare function unzlibSync(data: Uint8Array): Uint8Array;
/**
 * Decompress data, automatically detecting the format (GZIP, Zlib, or raw DEFLATE)
 *
 * Detection order:
 * 1. GZIP: magic bytes 0x1f 0x8b
 * 2. Zlib: valid CMF/FLG header with checksum
 * 3. Raw DEFLATE: fallback
 *
 * @example
 * ```ts
 * // Works with any format
 * const data = await decompressAuto(compressed);
 * ```
 */
export declare function decompressAuto(data: Uint8Array, options?: CompressOptions): Promise<Uint8Array>;
/**
 * Decompress data synchronously, automatically detecting the format
 */
export declare function decompressAutoSync(data: Uint8Array): Uint8Array;