@@ -34,17 +34,21 @@
 /*!
  * The object which was mutated during enumeration.
  */
 @property (readonly, nonatomic) id object;
 
++ (instancetype)exception OF_UNAVAILABLE;
+
 /*!
  * @brief Creates a new, autoreleased enumeration mutation exception.
  *
  * @param object The object which was mutated during enumeration
  * @return A new, autoreleased enumeration mutation exception
  */
 + (instancetype)exceptionWithObject: (id)object;
+
+- init OF_UNAVAILABLE;
 
 /*!
  * @brief Initializes an already allocated enumeration mutation exception.
  *
  * @param object The object which was mutated during enumeration