/**
 * WASM-based LZMA2/XZ compression using liblzma compiled via Emscripten.
 * The WASM module is lazy-loaded on first use.
 */
export declare function lzmaWasmCompress(data: ArrayBuffer | Uint8Array, preset?: number): Promise<ArrayBuffer>;
export declare function lzmaWasmDecompress(data: ArrayBuffer | Uint8Array): Promise<ArrayBuffer>;