41   if (!IsValid())  in operator ->()
55 bool SBStringList::IsValid() const {  in IsValid()  function in SBStringList
69     if (IsValid())  in AppendString()
80     if (IsValid())  in AppendList()
90   if (strings.IsValid()) {  in AppendList()
91     if (!IsValid())  in AppendList()
98   if (!IsValid())  in AppendList()
106   if (IsValid()) {  in GetSize()
115   if (IsValid()) {  in GetStringAtIndex()
124   if (IsValid()) {  in GetStringAtIndex()
133   if (IsValid()) {  in Clear()