function 원(amount: number): string;
function 십원(amount: number): string;
function 백원(amount: number): string;
function 천원(amount: number): string;
function 만원(amount: number): string;
function 십만원(amount: number): string;
function 백만원(amount: number): string;
function 천만원(amount: number): string;
function 억원(amount: number): string;
function 십억원(amount: number): string;
function 백억원(amount: number): string;
function 천억원(amount: number): string;
function 조원(amount: number): string;
function 십조(amount: number): string;
function 백조원(amount: number): string;
function 천조원(amount: number): string;
function w(amount: number): string;
function w10(amount: number): string;
function w100(amount: number): string;
function w1000(amount: number): string;
function m(amount: number): string;
function m10(amount: number): string;
function m100(anumber): string;
function m1000(amount: number): string;
function b(amount: number): string;
function b10(amount: number): string;
