1 files changed, 6 insertions, 2 deletions
diff --git a/include/clang/AST/NSAPI.h b/include/clang/AST/NSAPI.h
index ce2c7cea9e02..583f9d9f1deb 100644
--- a/include/clang/AST/NSAPI.h
+++ b/include/clang/AST/NSAPI.h
@@ -16,6 +16,7 @@
 
 namespace clang {
   class ASTContext;
+  class ObjCInterfaceDecl;
   class QualType;
   class Expr;
 
@@ -35,11 +36,10 @@ public:
     ClassId_NSMutableDictionary,
     ClassId_NSNumber,
     ClassId_NSMutableSet,
-    ClassId_NSCountedSet,
     ClassId_NSMutableOrderedSet,
     ClassId_NSValue
   };
-  static const unsigned NumClassIds = 11;
+  static const unsigned NumClassIds = 10;
 
   enum NSStringMethodKind {
     NSStr_stringWithString,
@@ -220,6 +220,10 @@ public:
   /// \brief Returns \c true if \p Id is currently defined as a macro.
   bool isMacroDefined(StringRef Id) const;
 
+  /// \brief Returns \c true if \p InterfaceDecl is subclass of \p NSClassKind
+  bool isSubclassOfNSClass(ObjCInterfaceDecl *InterfaceDecl,
+                           NSClassIdKindKind NSClassKind) const;
+
 private:
   bool isObjCTypedef(QualType T, StringRef name, IdentifierInfo *&II) const;
   bool isObjCEnumerator(const Expr *E,