/// <reference types="node" />
import { Opaque } from 'ts-essentials';
/**
 * A hexadecimal string representing bytes of data.
 * Always prefixed with 0x, always lowercase.
 */
export declare type HexData = Opaque<'HexData', string>;
export declare function makeHexData(value: string): HexData;
export declare function bufferToHexData(buffer: Buffer): HexData;