private:
static void initializeHash(UErrorCode& errorCode);
static const ListFormatInternal* getListFormatInternal(const Locale& locale, const char *style, UErrorCode& errorCode);
private:
static void initializeHash(UErrorCode& errorCode);
static const ListFormatInternal* getListFormatInternal(const Locale& locale, const char *style, UErrorCode& errorCode);