/**
 * Converts a string like 8千3萬 into 8千3百萬 (8300*10000).
 * @param {string} str - The original string.
 * @returns {string} The converted, expanded string.
 */
declare const addMissingUnits: (str: string) => string;

/**
 * Checks whether a character is an Arabic number [0-9] and not a Chinese
 * number or another character.
 * @returns {boolean} True if character is from 0 to 9.
 */
declare const isArabicNumber: (character: string) => boolean;

/**
 * Checks whether a character is a Chinese number character.
 * @param {number|string} A single character to be checked.
 * @returns {boolean} True if it's a Chinese number character or Chinese-style
 * Arabic numbers (０-９).
 */
declare const isChineseNumber: (character: string) => boolean;

/**
 * Converts multiple Chinese numbers in a string into Arabic numbers, and
 * returns the translated string containing the original text but with Arabic
 * numbers only.
 * @param {number} [minimumCharactersInNumber] - Optionally, how many
 *    characters minimum must be in a number to be converted. Sometimes a
 *    good setting would be 2, because otherwise we will convert geographic
 *    names like 九龍站 into 9龍站.
 * @returns {string} The translated string with Arabic numbers only.
 */
declare const toArabicString: (source: string, minimumCharactersInNumber?: number) => string;

/**
 * Returns the result of the conversion of Chinese number into an `Integer`.
 * @param {string} source string that you want to convert
 * @returns {number} The Chinese number converted to integer.
 */
declare const toInteger: (source: string) => number;

export { addMissingUnits, isArabicNumber, isChineseNumber, toArabicString, toInteger };