+ static UnicodeString& formatOffset(int32_t offset, UnicodeString& rv);
+ static UnicodeString& formatTZID(int32_t offset, UnicodeString& rv);
+
+ // Some test case data is current date/tzdata version sensitive and producing errors
+ // when year/rule are changed.
+ static const int32_t REFERENCE_YEAR;
+ static const char *REFERENCE_DATA_VERSION;
+
+ void checkContainsAll(StringEnumeration *s1, const char *name1,
+ StringEnumeration *s2, const char *name2);