import { TLanguage } from '@cainiaofe/cn-i18n';
import { ThisContext } from '../common/type';
import { Numeric } from './type';
/**
 * 通过语种获取当前数字系统小数点
 * @param lang 语种
 * @returns
 */
export declare const getDecimalSeparator: (lang?: TLanguage) => string;
/**
 * 通过语种获取当前数字系统格式化配置
 * @param lang 语种
 * @returns
 */
export declare const getNumSysFormatConf: (lang?: TLanguage) => {
    decimalSeparator: string;
    groupSeparator: string;
    groupSize: number;
    secondaryGroupSize: number;
    fractionGroupSeparator: string;
    fractionGroupSize: number;
};
/**
 *通过语种获取当前数字系统格式化字符串
 * @param num
 * @param lang
 * @returns
 */
export declare const numberFormat: (this: ThisContext, num: Numeric, lang?: TLanguage) => Numeric;