/**
 * Copyright (c) Whales Corp.
 * All Rights Reserved.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
/// <reference types="node" />
export declare function lpad(str: string, padString: string, length: number): string;
export declare function bytesToBits(bytes: Buffer): string;
export declare function bitsToBytes(src: string): Buffer;