import zlib from 'zlib';
/** Compress a buffer using gzip. */
export declare const compressBuffer: typeof zlib.gzip.__promisify__;
/** Decompress a buffer using gunzip. */
export declare const decompressBuffer: typeof zlib.gunzip.__promisify__;
/** Buffer-ish things. */
export type BufferLike = Buffer | Uint8Array;
/** Coerce a buffer-like object to a buffer without a copy. */
export declare function asBuffer(arg: BufferLike): Buffer;