import { Buffer } from 'buffer';
/**
 * Get a Buffer as hexadecimal string
 *
 * @param {Uint8Array} data
 * @return {string}
 */
export declare const hexify: (data: Uint8Array) => string;
/**
 * Get a hexadecimal string as Buffer.
 *
 * @param {string} data
 * @return {Buffer}
 */
export declare const dehexify: (data: string) => Buffer;
/**
 * Write a number to a Buffer with arbitrary length.
 *
 * @param {number} data
 * @param {number} byteLength
 * @return {Buffer}
 */
export declare const numberToBuffer: (data: number, byteLength: number) => Buffer;
/**
 * Get a buffer as bigint.
 *
 * @param {Buffer} buffer
 * @return {bigint}
 */
export declare const bufferToBigInt: (buffer: Buffer) => bigint;
/**
 * Get a bigint as Buffer. If a length (in bytes) is specified, the Buffer will be padded to this length.
 *
 * @param {bigint} bigInt
 * @param {number} [length]
 * @return {Buffer}
 */
export declare const bigIntToBuffer: (bigInt: bigint, length?: number | undefined) => Buffer;