/**
 *
 *
 * @class Hex
 * @deprecated
 * This class provides a TypeScript implementation of the Hex format
 */
export declare class Hex {
    /**
     * Validates wheter or not str is a valid hex string
     * @param {string} str string to validate
     * @returns {boolean} - True or false if the string is hex.
     */
    static isHex(str: string): boolean;
    /**
     *
     * Encodes an string into an array of bytes. After that using bitwise operations we transform each byte into an hexadecimal value.
     * @param {string} str - string value to be encoded.
     * @returns {string} - Encoded value.
     */
    static encodeTostring(str: string): string;
    /**
     *
     *  Decodes hex into an redable string. This function expects that hex contains only hexadecimal characters and that hex has even length.
     * @param {string} hex - Encoded value to be decoded.
     * @returns {string} - Encoded value.
     */
    static decodeString(hex: string): string;
    /**
     *
     *  Validates if a provided network identifier is a valid hex and byte length 32
     * @param {string} str - Network identifier.
     * @returns {boolean} - True or false.
     */
    static validateNetworkIdentifier(str: string): boolean;
    /**
     *
     *  Validates if a provided address is a valid hex and byte length 20
     * @param {string} str - Address to be verified.
     * @returns {boolean} - True or false.
     */
    static validateAddress(str: string): boolean;
    /**
     *
     *  Validates if a provided public key is a valid hex and byte length 32
     * @param {string} str - Address to be verified.
     * @returns {boolean} - True or false.
     */
    static validatePublicKey(str: string): boolean;
    /**
     * referenced from https://stackoverflow.com/a/10121740
     * Checks the lenght of a provided string
     * @param {string} str - Provided string.
     * @returns {number} - The string lenght in bytes.
     * @memberof Hex
     */
    static byteLength(str: string): number;
    private static readonly alphabet;
    /**
     *
     *  Encodes a decoded value.
     * @param {string} str - Decoded value to be encoded.
     * @returns {string[]} - Encoded value.
     */
    private static encode;
    /**
     *
     *  Converts an string to a byte array
     * @param {string} str - string value.
     * @returns {number[]} - Byte array.
     */
    private static toByteArray;
}