2817                        Optional<ArrayRef<QualType>> ObjCSubsts = None);
2822                         Optional<ArrayRef<QualType>> ObjCSubsts = None) {  in FormatFunctionParameter()  argument
2839     if (ObjCSubsts)  in FormatFunctionParameter()
2840       Type = Type.substObjCTypeArgs(Param->getASTContext(), *ObjCSubsts,  in FormatFunctionParameter()
2900                                 ObjCSubsts);  in FormatFunctionParameter()
2916                        Optional<ArrayRef<QualType>> ObjCSubsts) {  in formatBlockPlaceholder()  argument
2919   if (ObjCSubsts)  in formatBlockPlaceholder()
2921         ResultType.substObjCTypeArgs(BlockDecl->getASTContext(), *ObjCSubsts,  in formatBlockPlaceholder()
2940                                         /*SuppressBlock=*/true, ObjCSubsts);  in formatBlockPlaceholder()
3585       Optional<ArrayRef<QualType>> ObjCSubsts;  in createCodeCompletionStringForDecl()  local
3587         ObjCSubsts = CCContext.getBaseType()->getObjCSubstitutions(Method);  in createCodeCompletionStringForDecl()
3591                                       /*SuppressBlock=*/false, ObjCSubsts);  in createCodeCompletionStringForDecl()
3593         if (ObjCSubsts)  in createCodeCompletionStringForDecl()
3595               Ctx, *ObjCSubsts, ObjCSubstitutionContext::Parameter);  in createCodeCompletionStringForDecl()