export declare function useCalendarI18n(): {
    locale: import("vue").ComputedRef<string>;
    timezone: import("vue").ComputedRef<string>;
    weekStartsOn: import("vue").ComputedRef<import("../types/index.js").WeekStartsOn>;
    formatDate: (date: Date, format?: string) => string;
    toLocalTimezone: (date: Date) => Date;
    getOffset: (date?: Date) => string;
};