interface LocaleOptionsimport { type LocaleOptions } from "https://dotland.deno.dev/x/date_fns@v2.22.1/locale/types.ts"; PropertiesoptionalweekStartsOn: | 0 | 1 | 2 | 3 | 4 | 5 | 6optionalfirstWeekContainsDate: | 1 | 2 | 3 | 4 | 5 | 6 | 7