/// <reference types="node" />
/**
 * Generates a random v4 UUID.
 * @returns the UUID in string format
 */
export declare const generate: (() => string);
/**
 * Converts a UUID in string format to binary.
 * @param uuidString a valid UUID in string format
 * @returns the UUID in binary format
 * @throws if the string is not a valid UUID
 */
export declare function stringToBinary(uuidString: string): Buffer;
/**
 * Converts a UUID in binary format to a string.
 * @param uuidBuffer a valid UUID in binary format
 * @returns the UUID in string format
 * @throws if the buffer is not a valid UUID
 */
export declare function binaryToString(uuidBuffer: Buffer): string;