1503 typedef SmallVector<PartialDiagnosticAt, 1> OptionalNotes;  typedef
1504 typedef std::pair<PartialDiagnosticAt, OptionalNotes> DelayedDiag;
1776   OptionalNotes getNotes() const {  in getNotes()
1781       return OptionalNotes(1, FNote);  in getNotes()
1783     return OptionalNotes();  in getNotes()
1786   OptionalNotes getNotes(const PartialDiagnosticAt &Note) const {  in getNotes()
1787     OptionalNotes ONS(1, Note);  in getNotes()
1797   OptionalNotes getNotes(const PartialDiagnosticAt &Note1,  in getNotes()
1799     OptionalNotes ONS;  in getNotes()
1811   OptionalNotes makeLockedHereNote(SourceLocation LocLocked, StringRef Kind) {  in makeLockedHereNote()
1818   OptionalNotes makeUnlockedHereNote(SourceLocation LocUnlocked,  in makeUnlockedHereNote()
2078     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnLoopStateMismatch()
2090     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnParamReturnTypestateMismatch()
2099     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnParamTypestateMismatch()
2107     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnReturnTypestateForUnconsumableType()
2116     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnReturnTypestateMismatch()
2125     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnUseOfTempInInvalidState()
2134     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnUseInInvalidState()