1507 typedef SmallVector<PartialDiagnosticAt, 1> OptionalNotes;  typedef
1508 typedef std::pair<PartialDiagnosticAt, OptionalNotes> DelayedDiag;
1780   OptionalNotes getNotes() const {  in getNotes()
1785       return OptionalNotes(1, FNote);  in getNotes()
1787     return OptionalNotes();  in getNotes()
1790   OptionalNotes getNotes(const PartialDiagnosticAt &Note) const {  in getNotes()
1791     OptionalNotes ONS(1, Note);  in getNotes()
1801   OptionalNotes getNotes(const PartialDiagnosticAt &Note1,  in getNotes()
1803     OptionalNotes ONS;  in getNotes()
1815   OptionalNotes makeLockedHereNote(SourceLocation LocLocked, StringRef Kind) {  in makeLockedHereNote()
1822   OptionalNotes makeUnlockedHereNote(SourceLocation LocUnlocked,  in makeUnlockedHereNote()
2082     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnLoopStateMismatch()
2094     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnParamReturnTypestateMismatch()
2103     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnParamTypestateMismatch()
2111     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnReturnTypestateForUnconsumableType()
2120     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnReturnTypestateMismatch()
2129     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnUseOfTempInInvalidState()
2138     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnUseInInvalidState()