/**
 * To get the decimal separator
 *
 * @param {string} [locale] To override the browser locale
 * @param {import('../../types/LocalizeMixinTypes').FormatNumberOptions} [options]
 * @returns {string} The separator
 */
export function getDecimalSeparator(locale?: string | undefined, options?: import("../../types/LocalizeMixinTypes").FormatNumberOptions | undefined): string;