class Fractionimport { Fraction } from "https://deno.land/x/masx200_leetcode_test@8.1.2/fraction-addition-and-subtraction/Fraction.ts"; ConstructorsnewFraction(unnamed 0?: { sign?: "+" | "-" | number; molecular?: number | string; denominator?: number | string; })Propertiesdenominator: numbermolecular: numbersign: numberMethodstoString()