/// <reference types="node" />
export declare function md5(toBeConverted: any): string;
export declare function sha1(toBeConverted: any): string;
export declare function sha256(toBeConverted: any): string;
export declare function sha384(toBeConverted: any): string;
export declare function sha512(toBeConverted: any): string;
export declare function encode(data: string | number | Buffer, encoding?: BufferEncoding): string;
export declare function decode(encoded: string, from?: BufferEncoding, to?: BufferEncoding): string;