declare const formatNumber: (v: number, precision?: number, delimiter?: string) => string;
declare const formatNumberMini: (v: number, precision?: number) => string;
declare const formatKprice: (v: number) => string;
declare const sum: (arr: number[]) => number;
declare const isNumeric: (value: any) => boolean;
declare const calcRatio: (a: number, b: number) => string;
declare const toFloat: (s: string) => number;
export { formatNumber, formatNumberMini, formatKprice, sum, isNumeric, calcRatio, toFloat, };