@@ -117,10 +117,30 @@
  * \return The implementation of the instance method for the specified selector
  *	   or nil if it isn't implemented
  */
 + (IMP)instanceMethodForSelector: (SEL)selector;
 
+/**
+ * Replaces a class method implementation with another implementation.
+ *
+ * \param newimp The new implementation for the class method
+ * \param selector The selector of the class method to replace
+ * \return The old implementation
+ */
++ (IMP)setImplementation: (IMP)newimp
+	  forClassMethod: (SEL)selector;
+
+/**
+ * Replaces a class method with a class method from another class.
+ *
+ * \param selector The selector of the class method to replace
+ * \param class_ The class from which the new class method should be taken
+ * \return The old implementation
+ */
++  (IMP)replaceClassMethod: (SEL)selector
+  withClassMethodFromClass: (Class)class_;
+
 /**
  * Replaces an instance method implementation with another implementation.
  *
  * \param newimp The new implementation for the instance method
  * \param selector The selector of the instance method to replace