@@ -47,9 +47,10 @@
  * @brief Initializes an already allocated still locked exception.
  *
  * @param lock The lock which is still locked
  * @return An initialized still locked exception
  */
-- initWithLock: (nullable id <OFLocking>)lock OF_DESIGNATED_INITIALIZER;
+- (instancetype)initWithLock: (nullable id <OFLocking>)lock
+    OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END