/// <reference types="node" />
export declare function hashPersonalMessage(message: Buffer | string): Buffer;
export declare function signPersonalMessage(message: Buffer | string, privateKey: Buffer): Buffer;
export declare function recoverPublicKeyFromPersonalMessage(message: Buffer | string, signature: Buffer | string): Buffer;
export declare function recoverAddressFromPersonalMessage(message: Buffer | string, signature: Buffer | string): string;
export declare function getMethodSignature(name: string, ...args: string[]): Buffer;