/**
 * Converts a digit to a number
 * @param digit {string} - the digit being converted.
 */
export declare const DigitToNumber: (digit: string) => number;
/**
 * Converts a number to a digit, optionally changing its base.
 * @param num {number} - the number that will be changed to a Digit.
 * @constructor
 */
export declare const NumberToDigit: (num: number) => string;