@@ -36,10 +36,12 @@
 
 #ifdef OF_APPLE_RUNTIME
 # import <objc/runtime.h>
 # import <objc/message.h>
 #endif
+
+/*! @file */
 
 #if defined(__GNUC__)
 # define restrict __restrict__
 #elif __STDC_VERSION__ < 199901L
 # define restrict
@@ -154,12 +156,10 @@
 #endif
 
 #define OF_RETAIN_COUNT_MAX UINT_MAX
 #define OF_NOT_FOUND SIZE_MAX
 
-/*! @file */
-
 /*!
  * @brief A result of a comparison.
  */
 typedef enum of_comparison_result_t {
 	/*! The left object is smaller than the right */
@@ -233,10 +233,17 @@
  *
  * @return The class of the object
  */
 - (Class)class;
 
+/*!
+ * @brief Returns the superclass of the object.
+ *
+ * @return The superclass of the object
+ */
+- (Class)superclass;
+
 /*!
  * @brief Returns a boolean whether the object of the specified kind.
  *
  * @param class_ The class whose kind is checked
  * @return A boolean whether the object is of the specified kind