export const Z_NO_FLUSH: number;
export const Z_PARTIAL_FLUSH: number;
export const Z_SYNC_FLUSH: number;
export const Z_FULL_FLUSH: number;
export const Z_FINISH: number;
export const Z_BLOCK: number;
export const Z_TREES: number;
export const Z_OK: number;
export const Z_STREAM_END: number;
export const Z_NEED_DICT: number;
export const Z_ERRNO: number;
export const Z_STREAM_ERROR: number;
export const Z_DATA_ERROR: number;
export const Z_BUF_ERROR: number;
export const Z_NO_COMPRESSION: number;
export const Z_BEST_SPEED: number;
export const Z_BEST_COMPRESSION: number;
export const Z_DEFAULT_COMPRESSION: number;
export const Z_FILTERED: number;
export const Z_HUFFMAN_ONLY: number;
export const Z_RLE: number;
export const Z_FIXED: number;
export const Z_DEFAULT_STRATEGY: number;
export const Z_BINARY: number;
export const Z_TEXT: number;
export const Z_UNKNOWN: number;
export const Z_DEFLATED: number;