631                          std::optional<unsigned> NumExpansions) {  in CheckPackExpansion()  argument
635                                        EllipsisLoc, NumExpansions);  in CheckPackExpansion()
649                                   std::optional<unsigned> NumExpansions) {  in CheckPackExpansion()  argument
664   return Context.getPackExpansionType(Pattern, NumExpansions,  in CheckPackExpansion()
673                                     std::optional<unsigned> NumExpansions) {  in CheckPackExpansion()  argument
690     PackExpansionExpr(Context.DependentTy, Pattern, EllipsisLoc, NumExpansions);  in CheckPackExpansion()
697     bool &RetainExpansion, std::optional<unsigned> &NumExpansions) {  in CheckParameterPacksForExpansion()  argument
777     if (!NumExpansions) {  in CheckParameterPacksForExpansion()
780       NumExpansions = NewPackSize;  in CheckParameterPacksForExpansion()
787     if (NewPackSize != *NumExpansions) {  in CheckParameterPacksForExpansion()
793             << FirstPack.first << Name << *NumExpansions << NewPackSize  in CheckParameterPacksForExpansion()
797             << Name << *NumExpansions << NewPackSize  in CheckParameterPacksForExpansion()
813     if (NumExpansions && *NumExpansions < *NumPartialExpansions) {  in CheckParameterPacksForExpansion()
817           << PartialPack << *NumPartialExpansions << *NumExpansions  in CheckParameterPacksForExpansion()
822     NumExpansions = NumPartialExpansions;  in CheckParameterPacksForExpansion()
1129     std::optional<unsigned> &NumExpansions) const {  in getTemplateArgumentPackExpansionPattern()
1145     NumExpansions = Expansion.getTypePtr()->getNumExpansions();  in getTemplateArgumentPackExpansionPattern()
1163     NumExpansions = Expansion->getNumExpansions();  in getTemplateArgumentPackExpansionPattern()
1169     NumExpansions = Argument.getNumTemplateExpansions();  in getTemplateArgumentPackExpansionPattern()
1341                                   std::optional<unsigned> NumExpansions) {  in BuildCXXFoldExpr()  argument
1344                   EllipsisLoc, RHS, RParenLoc, NumExpansions);  in BuildCXXFoldExpr()