@@ -204,20 +204,20 @@ /*! * @brief Returns an arbitrary object in the set. * * @return An arbitrary object in the set */ -- (ObjectType)anyObject; +- (nullable ObjectType)anyObject; /*! * @brief Checks whether the set contains an object equal to the specified * object. * * @param object The object which is checked for being in the set * @return A boolean whether the set contains the specified object */ -- (bool)containsObject: (nullable ObjectType)object; +- (bool)containsObject: (ObjectType)object; /*! * @brief Returns the value for the specified key * * If the key starts with an `@`, the `@` is stripped and