addYears
import { addYears } from "https://esm.sh/v135/date-fns@3.6.0/index.d.mts";@example
// Add 5 years to 1 September 2014:
const result = addYears(new Date(2014, 8, 1), 5)
//=> Sun Sep 01 2019 00:00:00
function addYears<DateType extends Date>(date: DateType | number | string, amount: number): DateType;