1511 typedef SmallVector<PartialDiagnosticAt, 1> OptionalNotes;  typedef
1512 typedef std::pair<PartialDiagnosticAt, OptionalNotes> DelayedDiag;
1785   OptionalNotes getNotes() const {  in getNotes()
1790       return OptionalNotes(1, FNote);  in getNotes()
1792     return OptionalNotes();  in getNotes()
1795   OptionalNotes getNotes(const PartialDiagnosticAt &Note) const {  in getNotes()
1796     OptionalNotes ONS(1, Note);  in getNotes()
1806   OptionalNotes getNotes(const PartialDiagnosticAt &Note1,  in getNotes()
1808     OptionalNotes ONS;  in getNotes()
1820   OptionalNotes makeLockedHereNote(SourceLocation LocLocked, StringRef Kind) {  in makeLockedHereNote()
1827   OptionalNotes makeUnlockedHereNote(SourceLocation LocUnlocked,  in makeUnlockedHereNote()
2088     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnLoopStateMismatch()
2100     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnParamReturnTypestateMismatch()
2109     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnParamTypestateMismatch()
2117     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnReturnTypestateForUnconsumableType()
2126     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnReturnTypestateMismatch()
2135     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnUseOfTempInInvalidState()
2144     Warnings.emplace_back(std::move(Warning), OptionalNotes());  in warnUseInInvalidState()