2765                        Optional<ArrayRef<QualType>> ObjCSubsts = None);
2770                         Optional<ArrayRef<QualType>> ObjCSubsts = None) {  in FormatFunctionParameter()  argument
2787     if (ObjCSubsts)  in FormatFunctionParameter()
2788       Type = Type.substObjCTypeArgs(Param->getASTContext(), *ObjCSubsts,  in FormatFunctionParameter()
2848                                 ObjCSubsts);  in FormatFunctionParameter()
2864                        Optional<ArrayRef<QualType>> ObjCSubsts) {  in formatBlockPlaceholder()  argument
2867   if (ObjCSubsts)  in formatBlockPlaceholder()
2869         ResultType.substObjCTypeArgs(BlockDecl->getASTContext(), *ObjCSubsts,  in formatBlockPlaceholder()
2888                                         /*SuppressBlock=*/true, ObjCSubsts);  in formatBlockPlaceholder()
3531       Optional<ArrayRef<QualType>> ObjCSubsts;  in createCodeCompletionStringForDecl()  local
3533         ObjCSubsts = CCContext.getBaseType()->getObjCSubstitutions(Method);  in createCodeCompletionStringForDecl()
3537                                       /*SuppressBlock=*/false, ObjCSubsts);  in createCodeCompletionStringForDecl()
3539         if (ObjCSubsts)  in createCodeCompletionStringForDecl()
3541               Ctx, *ObjCSubsts, ObjCSubstitutionContext::Parameter);  in createCodeCompletionStringForDecl()