import { DropdownOption } from "../components/Dropdown.js";
import type { DateLib, Formatters } from "../types/index.js";
/** Return the years to show in the dropdown. */
export declare function getYearOptions(displayMonth: Date, calendarStart: Date | undefined, calendarEnd: Date | undefined, formatters: Pick<Formatters, "formatYearDropdown">, dateLib: DateLib): DropdownOption[] | undefined;