2208                                   VersionTuple Introduced,  in checkAvailabilityAttr()  argument
2218   if (!Introduced.empty() && !Deprecated.empty() &&  in checkAvailabilityAttr()
2219       !(Introduced <= Deprecated)) {  in checkAvailabilityAttr()
2222       << 0 << Introduced.getAsString();  in checkAvailabilityAttr()
2226   if (!Introduced.empty() && !Obsoleted.empty() &&  in checkAvailabilityAttr()
2227       !(Introduced <= Obsoleted)) {  in checkAvailabilityAttr()
2230       << 0 << Introduced.getAsString();  in checkAvailabilityAttr()
2265     bool Implicit, VersionTuple Introduced, VersionTuple Deprecated,  in mergeAvailabilityAttr()  argument
2269   VersionTuple MergedIntroduced = Introduced;  in mergeAvailabilityAttr()
2322       if (!versionsMatch(OldIntroduced, Introduced, OverrideOrImpl) ||  in mergeAvailabilityAttr()
2331           if (!versionsMatch(OldIntroduced, Introduced, OverrideOrImpl)) {  in mergeAvailabilityAttr()
2334             SecondVersion = Introduced;  in mergeAvailabilityAttr()
2399       MergedIntroduced == Introduced &&  in mergeAvailabilityAttr()
2410         Context, CI, Platform, Introduced, Deprecated, Obsoleted, IsUnavailable,  in mergeAvailabilityAttr()
2432   AvailabilityChange Introduced = AL.getAvailabilityIntroduced();  in handleAvailabilityAttr()  local
2445     if (Introduced.isValid() || Obsoleted.isValid() ||  in handleAvailabilityAttr()
2457       ND, AL, II, false /*Implicit*/, Introduced.Version, Deprecated.Version,  in handleAvailabilityAttr()
2492         auto NewIntroduced = adjustWatchOSVersion(Introduced.Version);  in handleAvailabilityAttr()
2515           ND, AL, NewII, true /*Implicit*/, Introduced.Version,  in handleAvailabilityAttr()