/**
 * the point of localization is to have a central, single source of truth
 * for the current locale. this can come from the browser, via a GET
 * parameter (mostly for testing), or explicitly from a method call.
 *
 * based on locale we report settings for decimal separator, digit grouping,
 * and argument separator.
 */
export declare class Localization {
    static locale: string;
    static decimal_separator: ('.' | ',');
    static argument_separator: ',' | ';';
    static grouping_separator: ',' | ' ';
    static date_components: {
        short_days: string[];
        long_days: string[];
        short_months: string[];
        long_months: string[];
    };
    /**
     * update the locale. this will be called on module load (should
     * be just once), but can be called subsequently to update.
     *
     * priority:
     * (1) function argument
     * (2) get parameter
     * (3) navigator.languages[0]
     * (4) navigator.language
     *
     * regarding languages[0] vs language, see
     * https://stackoverflow.com/a/33204290
     *
     * @param locale explicitly set locale
     */
    static UpdateLocale(locale?: string): void;
    private static UpdateDateComponent;
}