26     UniqueCharStrings(UErrorCode &errorCode) : strings(nullptr) {  in UniqueCharStrings()
32         strings = new CharString();  in UniqueCharStrings()
33         if (strings == nullptr) {  in UniqueCharStrings()
39         delete strings;  in ~UniqueCharStrings()  local
44         CharString *result = strings;  in orphanCharStrings()
45         strings = nullptr;  in orphanCharStrings()
72         strings->append(0, errorCode);  in add()
73         int32_t newIndex = strings->length();  in add()
74         strings->appendInvariantChars(s, errorCode);  in add()
87         return isFrozen && i > 0 ? strings->data() + i : nullptr;  in get()
92     CharString *strings;  variable