2407                        Optional<ArrayRef<QualType>> ObjCSubsts = None);
2412                         Optional<ArrayRef<QualType>> ObjCSubsts = None) {  in FormatFunctionParameter()  argument
2424     if (ObjCSubsts)  in FormatFunctionParameter()
2425       Type = Type.substObjCTypeArgs(Param->getASTContext(), *ObjCSubsts,  in FormatFunctionParameter()
2485                                 ObjCSubsts);  in FormatFunctionParameter()
2501                        Optional<ArrayRef<QualType>> ObjCSubsts) {  in formatBlockPlaceholder()  argument
2504   if (ObjCSubsts)  in formatBlockPlaceholder()
2506         ResultType.substObjCTypeArgs(BlockDecl->getASTContext(), *ObjCSubsts,  in formatBlockPlaceholder()
2525                                         /*SuppressBlock=*/true, ObjCSubsts);  in formatBlockPlaceholder()
3117       Optional<ArrayRef<QualType>> ObjCSubsts;  in createCodeCompletionStringForDecl()  local
3119         ObjCSubsts = CCContext.getBaseType()->getObjCSubstitutions(Method);  in createCodeCompletionStringForDecl()
3123                                       /*SuppressBlock=*/false, ObjCSubsts);  in createCodeCompletionStringForDecl()
3125         if (ObjCSubsts)  in createCodeCompletionStringForDecl()
3127               Ctx, *ObjCSubsts, ObjCSubstitutionContext::Parameter);  in createCodeCompletionStringForDecl()