diff --git a/Source/ASBlockTypes.h b/Source/ASBlockTypes.h
index cf05a19377..f0e2875e12 100644
--- a/Source/ASBlockTypes.h
+++ b/Source/ASBlockTypes.h
@@ -22,7 +22,7 @@
 /**
  * ASCellNode creation block. Used to lazily create the ASCellNode instance for a specified indexPath.
  */
-typedef ASCellNode * _Nonnull(^ASCellNodeBlock)();
+typedef ASCellNode * _Nonnull(^ASCellNodeBlock)(void);
 
 // Type for the cancellation checker block passed into the async display blocks. YES means the operation has been cancelled, NO means continue.
 typedef BOOL(^asdisplaynode_iscancelled_block_t)(void);
diff --git a/Source/ASCollectionNode.h b/Source/ASCollectionNode.h
index d60fd57ef0..5d77404582 100644
--- a/Source/ASCollectionNode.h
+++ b/Source/ASCollectionNode.h
@@ -244,7 +244,7 @@ NS_ASSUME_NONNULL_BEGIN
  *                    Boolean parameter that contains the value YES if all of the related animations completed successfully or
  *                    NO if they were interrupted. This parameter may be nil. If supplied, the block is run on the main thread.
  */
-- (void)performBatchAnimated:(BOOL)animated updates:(nullable AS_NOESCAPE void (^)())updates completion:(nullable void (^)(BOOL finished))completion;
+- (void)performBatchAnimated:(BOOL)animated updates:(nullable AS_NOESCAPE void (^)(void))updates completion:(nullable void (^)(BOOL finished))completion;
 
 /**
  *  Perform a batch of updates asynchronously, optionally disabling all animations in the batch. This method must be called from the main thread.
@@ -255,7 +255,7 @@ NS_ASSUME_NONNULL_BEGIN
  *                    Boolean parameter that contains the value YES if all of the related animations completed successfully or
  *                    NO if they were interrupted. This parameter may be nil. If supplied, the block is run on the main thread.
  */
-- (void)performBatchUpdates:(nullable AS_NOESCAPE void (^)())updates completion:(nullable void (^)(BOOL finished))completion;
+- (void)performBatchUpdates:(nullable AS_NOESCAPE void (^)(void))updates completion:(nullable void (^)(BOOL finished))completion;
 
 /**
  *  Returns YES if the ASCollectionNode is still processing changes from performBatchUpdates:.
@@ -284,7 +284,7 @@ NS_ASSUME_NONNULL_BEGIN
  *
  *  Calling -waitUntilAllUpdatesAreProcessed is one way to flush any pending update completion blocks.
  */
-- (void)onDidFinishProcessingUpdates:(nullable void (^)())didFinishProcessingUpdates;
+- (void)onDidFinishProcessingUpdates:(nullable void (^)(void))didFinishProcessingUpdates;
 
 /**
  *  Blocks execution of the main thread until all section and item updates are committed to the view. This method must be called from the main thread.
@@ -382,7 +382,7 @@ NS_ASSUME_NONNULL_BEGIN
  * the main thread.
  * @warning This method is substantially more expensive than UICollectionView's version.
  */
-- (void)reloadDataWithCompletion:(nullable void (^)())completion;
+- (void)reloadDataWithCompletion:(nullable void (^)(void))completion;
 
 
 /**
diff --git a/Source/ASCollectionView.h b/Source/ASCollectionView.h
index ba9dda2964..9f552e44c6 100644
--- a/Source/ASCollectionView.h
+++ b/Source/ASCollectionView.h
@@ -256,7 +256,7 @@ NS_ASSUME_NONNULL_BEGIN
  *                    Boolean parameter that contains the value YES if all of the related animations completed successfully or
  *                    NO if they were interrupted. This parameter may be nil. If supplied, the block is run on the main thread.
  */
-- (void)performBatchAnimated:(BOOL)animated updates:(nullable AS_NOESCAPE void (^)())updates completion:(nullable void (^)(BOOL finished))completion ASDISPLAYNODE_DEPRECATED_MSG("Use ASCollectionNode method instead.");
+- (void)performBatchAnimated:(BOOL)animated updates:(nullable AS_NOESCAPE void (^)(void))updates completion:(nullable void (^)(BOOL finished))completion ASDISPLAYNODE_DEPRECATED_MSG("Use ASCollectionNode method instead.");
 
 /**
  *  Perform a batch of updates asynchronously.  This method must be called from the main thread.
@@ -267,7 +267,7 @@ NS_ASSUME_NONNULL_BEGIN
  *                    Boolean parameter that contains the value YES if all of the related animations completed successfully or
  *                    NO if they were interrupted. This parameter may be nil. If supplied, the block is run on the main thread.
  */
-- (void)performBatchUpdates:(nullable AS_NOESCAPE void (^)())updates completion:(nullable void (^)(BOOL finished))completion ASDISPLAYNODE_DEPRECATED_MSG("Use ASCollectionNode method instead.");
+- (void)performBatchUpdates:(nullable AS_NOESCAPE void (^)(void))updates completion:(nullable void (^)(BOOL finished))completion ASDISPLAYNODE_DEPRECATED_MSG("Use ASCollectionNode method instead.");
 
 /**
  * Reload everything from scratch, destroying the working range and all cached nodes.
@@ -276,7 +276,7 @@ NS_ASSUME_NONNULL_BEGIN
  * the main thread.
  * @warning This method is substantially more expensive than UICollectionView's version.
  */
-- (void)reloadDataWithCompletion:(nullable void (^)())completion AS_UNAVAILABLE("Use ASCollectionNode method instead.");
+- (void)reloadDataWithCompletion:(nullable void (^)(void))completion AS_UNAVAILABLE("Use ASCollectionNode method instead.");
 
 /**
  * Reload everything from scratch, destroying the working range and all cached nodes.
@@ -296,7 +296,7 @@ NS_ASSUME_NONNULL_BEGIN
  * See ASCollectionNode.h for full documentation of these methods.
  */
 @property (nonatomic, readonly) BOOL isProcessingUpdates;
-- (void)onDidFinishProcessingUpdates:(nullable void (^)())completion;
+- (void)onDidFinishProcessingUpdates:(nullable void (^)(void))completion;
 - (void)waitUntilAllUpdatesAreCommitted ASDISPLAYNODE_DEPRECATED_MSG("Use -[ASCollectionNode waitUntilAllUpdatesAreProcessed] instead.");
 
 /**
diff --git a/Source/ASDisplayNode+Beta.h b/Source/ASDisplayNode+Beta.h
index ea241bd164..fff4ee9752 100644
--- a/Source/ASDisplayNode+Beta.h
+++ b/Source/ASDisplayNode+Beta.h
@@ -28,8 +28,8 @@
 NS_ASSUME_NONNULL_BEGIN
 
 ASDISPLAYNODE_EXTERN_C_BEGIN
-void ASPerformBlockOnMainThread(void (^block)());
-void ASPerformBlockOnBackgroundThread(void (^block)()); // DISPATCH_QUEUE_PRIORITY_DEFAULT
+void ASPerformBlockOnMainThread(void (^block)(void));
+void ASPerformBlockOnBackgroundThread(void (^block)(void)); // DISPATCH_QUEUE_PRIORITY_DEFAULT
 ASDISPLAYNODE_EXTERN_C_END
 
 #if ASEVENTLOG_ENABLE
diff --git a/Source/ASDisplayNode.h b/Source/ASDisplayNode.h
index 84da628b54..bb81387b3f 100644
--- a/Source/ASDisplayNode.h
+++ b/Source/ASDisplayNode.h
@@ -36,17 +36,17 @@ NS_ASSUME_NONNULL_BEGIN
 /**
  * UIView creation block. Used to create the backing view of a new display node.
  */
-typedef UIView * _Nonnull(^ASDisplayNodeViewBlock)();
+typedef UIView * _Nonnull(^ASDisplayNodeViewBlock)(void);
 
 /**
  * UIView creation block. Used to create the backing view of a new display node.
  */
-typedef UIViewController * _Nonnull(^ASDisplayNodeViewControllerBlock)();
+typedef UIViewController * _Nonnull(^ASDisplayNodeViewControllerBlock)(void);
 
 /**
  * CALayer creation block. Used to create the backing layer of a new display node.
  */
-typedef CALayer * _Nonnull(^ASDisplayNodeLayerBlock)();
+typedef CALayer * _Nonnull(^ASDisplayNodeLayerBlock)(void);
 
 /**
  * ASDisplayNode loaded callback block. This block is called BEFORE the -didLoad method and is always called on the main thread.
@@ -880,7 +880,7 @@ extern NSInteger const ASDefaultDrawingPriority;
 - (void)transitionLayoutWithSizeRange:(ASSizeRange)constrainedSize
                              animated:(BOOL)animated
                    shouldMeasureAsync:(BOOL)shouldMeasureAsync
-                measurementCompletion:(nullable void(^)())completion;
+                measurementCompletion:(nullable void(^)(void))completion;
 
 
 /**
@@ -897,7 +897,7 @@ extern NSInteger const ASDefaultDrawingPriority;
  */
 - (void)transitionLayoutWithAnimation:(BOOL)animated
                    shouldMeasureAsync:(BOOL)shouldMeasureAsync
-                measurementCompletion:(nullable void(^)())completion;
+                measurementCompletion:(nullable void(^)(void))completion;
 
 /**
  * @abstract Cancels all performing layout transitions. Can be called on any thread.
diff --git a/Source/ASDisplayNodeExtras.h b/Source/ASDisplayNodeExtras.h
index aefb445f9e..923f8b72fe 100644
--- a/Source/ASDisplayNodeExtras.h
+++ b/Source/ASDisplayNodeExtras.h
@@ -208,8 +208,8 @@ extern __kindof ASDisplayNode * _Nullable ASDisplayNodeFindFirstSubnode(ASDispla
  */
 extern __kindof ASDisplayNode * _Nullable ASDisplayNodeFindFirstSubnodeOfClass(ASDisplayNode *start, Class c) AS_WARN_UNUSED_RESULT;
 
-extern UIColor *ASDisplayNodeDefaultPlaceholderColor() AS_WARN_UNUSED_RESULT;
-extern UIColor *ASDisplayNodeDefaultTintColor() AS_WARN_UNUSED_RESULT;
+extern UIColor *ASDisplayNodeDefaultPlaceholderColor(void) AS_WARN_UNUSED_RESULT;
+extern UIColor *ASDisplayNodeDefaultTintColor(void) AS_WARN_UNUSED_RESULT;
 
 /**
  Disable willAppear / didAppear / didDisappear notifications for a sub-hierarchy, then re-enable when done. Nested calls are supported.
diff --git a/Source/ASTableNode.h b/Source/ASTableNode.h
index 8322faaf45..aae4f375d8 100644
--- a/Source/ASTableNode.h
+++ b/Source/ASTableNode.h
@@ -172,7 +172,7 @@ NS_ASSUME_NONNULL_BEGIN
  * the main thread.
  * @warning This method is substantially more expensive than UITableView's version.
  */
-- (void)reloadDataWithCompletion:(nullable void (^)())completion;
+- (void)reloadDataWithCompletion:(nullable void (^)(void))completion;
 
 /**
  * Reload everything from scratch, destroying the working range and all cached nodes.
@@ -198,7 +198,7 @@ NS_ASSUME_NONNULL_BEGIN
  *                    Boolean parameter that contains the value YES if all of the related animations completed successfully or
  *                    NO if they were interrupted. This parameter may be nil. If supplied, the block is run on the main thread.
  */
-- (void)performBatchAnimated:(BOOL)animated updates:(nullable AS_NOESCAPE void (^)())updates completion:(nullable void (^)(BOOL finished))completion;
+- (void)performBatchAnimated:(BOOL)animated updates:(nullable AS_NOESCAPE void (^)(void))updates completion:(nullable void (^)(BOOL finished))completion;
 
 /**
  *  Perform a batch of updates asynchronously with animations in the batch. This method must be called from the main thread.
@@ -209,7 +209,7 @@ NS_ASSUME_NONNULL_BEGIN
  *                    Boolean parameter that contains the value YES if all of the related animations completed successfully or
  *                    NO if they were interrupted. This parameter may be nil. If supplied, the block is run on the main thread.
  */
-- (void)performBatchUpdates:(nullable AS_NOESCAPE void (^)())updates completion:(nullable void (^)(BOOL finished))completion;
+- (void)performBatchUpdates:(nullable AS_NOESCAPE void (^)(void))updates completion:(nullable void (^)(BOOL finished))completion;
 
 /**
  *  Returns YES if the ASCollectionNode is still processing changes from performBatchUpdates:.
@@ -238,7 +238,7 @@ NS_ASSUME_NONNULL_BEGIN
  *
  *  Calling -waitUntilAllUpdatesAreProcessed is one way to flush any pending update completion blocks.
  */
-- (void)onDidFinishProcessingUpdates:(nullable void (^)())didFinishProcessingUpdates;
+- (void)onDidFinishProcessingUpdates:(nullable void (^)(void))didFinishProcessingUpdates;
 
 /**
  *  Blocks execution of the main thread until all section and item updates are committed to the view. This method must be called from the main thread.
diff --git a/Source/ASTableView.h b/Source/ASTableView.h
index ba6736eba2..d99ae5b217 100644
--- a/Source/ASTableView.h
+++ b/Source/ASTableView.h
@@ -180,7 +180,7 @@ NS_ASSUME_NONNULL_BEGIN
  * the main thread.
  * @warning This method is substantially more expensive than UITableView's version.
  */
--(void)reloadDataWithCompletion:(void (^ _Nullable)())completion ASDISPLAYNODE_DEPRECATED_MSG("Use ASTableNode method instead.");
+-(void)reloadDataWithCompletion:(void (^ _Nullable)(void))completion ASDISPLAYNODE_DEPRECATED_MSG("Use ASTableNode method instead.");
 
 /**
  * Reload everything from scratch, destroying the working range and all cached nodes.
@@ -219,7 +219,7 @@ NS_ASSUME_NONNULL_BEGIN
  * See ASTableNode.h for full documentation of these methods.
  */
 @property (nonatomic, readonly) BOOL isProcessingUpdates;
-- (void)onDidFinishProcessingUpdates:(nullable void (^)())completion;
+- (void)onDidFinishProcessingUpdates:(nullable void (^)(void))completion;
 - (void)waitUntilAllUpdatesAreCommitted ASDISPLAYNODE_DEPRECATED_MSG("Use -[ASTableNode waitUntilAllUpdatesAreProcessed] instead.");
 
 - (void)insertSections:(NSIndexSet *)sections withRowAnimation:(UITableViewRowAnimation)animation ASDISPLAYNODE_DEPRECATED_MSG("Use ASTableNode method instead.");
diff --git a/Source/Base/ASAssert.h b/Source/Base/ASAssert.h
index 21bdcf2dae..336ac3d0e9 100644
--- a/Source/Base/ASAssert.h
+++ b/Source/Base/ASAssert.h
@@ -78,11 +78,11 @@
 #pragma mark - Main Thread Assertions Disabling
 
 ASDISPLAYNODE_EXTERN_C_BEGIN
-BOOL ASMainThreadAssertionsAreDisabled();
+BOOL ASMainThreadAssertionsAreDisabled(void);
 
-void ASPushMainThreadAssertionsDisabled();
+void ASPushMainThreadAssertionsDisabled(void);
 
-void ASPopMainThreadAssertionsDisabled();
+void ASPopMainThreadAssertionsDisabled(void);
 ASDISPLAYNODE_EXTERN_C_END
 
 #pragma mark - Non-Fatal Assertions
diff --git a/Source/Base/ASLog.h b/Source/Base/ASLog.h
index e4f54fd812..5de8ab939e 100644
--- a/Source/Base/ASLog.h
+++ b/Source/Base/ASLog.h
@@ -40,31 +40,31 @@ ASDISPLAYNODE_EXTERN_C_BEGIN
  * are at the `debug` log level, which the system
  * disables in production.
  */
-void ASDisableLogging();
+void ASDisableLogging(void);
 
 /// Log for general node events e.g. interfaceState, didLoad.
 #define ASNodeLogEnabled 1
-os_log_t ASNodeLog();
+os_log_t ASNodeLog(void);
 
 /// Log for layout-specific events e.g. calculateLayout.
 #define ASLayoutLogEnabled 1
-os_log_t ASLayoutLog();
+os_log_t ASLayoutLog(void);
 
 /// Log for display-specific events e.g. display queue batches.
 #define ASDisplayLogEnabled 1
-os_log_t ASDisplayLog();
+os_log_t ASDisplayLog(void);
 
 /// Log for collection events e.g. reloadData, performBatchUpdates.
 #define ASCollectionLogEnabled 1
-os_log_t ASCollectionLog();
+os_log_t ASCollectionLog(void);
 
 /// Log for ASNetworkImageNode and ASMultiplexImageNode events.
 #define ASImageLoadingLogEnabled 1
-os_log_t ASImageLoadingLog();
+os_log_t ASImageLoadingLog(void);
 
 /// Specialized log for our main thread deallocation trampoline.
 #define ASMainThreadDeallocationLogEnabled 0
-os_log_t ASMainThreadDeallocationLog();
+os_log_t ASMainThreadDeallocationLog(void);
 
 ASDISPLAYNODE_EXTERN_C_END
 
diff --git a/Source/Details/ASDataController.h b/Source/Details/ASDataController.h
index b2d2f3ab8a..7590700e48 100644
--- a/Source/Details/ASDataController.h
+++ b/Source/Details/ASDataController.h
@@ -258,7 +258,7 @@ extern NSString * const ASCollectionInvalidUpdateException;
  * See ASCollectionNode.h for full documentation of these methods.
  */
 @property (nonatomic, readonly) BOOL isProcessingUpdates;
-- (void)onDidFinishProcessingUpdates:(nullable void (^)())completion;
+- (void)onDidFinishProcessingUpdates:(nullable void (^)(void))completion;
 - (void)waitUntilAllUpdatesAreProcessed;
 
 /**
diff --git a/Source/Details/ASTraitCollection.h b/Source/Details/ASTraitCollection.h
index fdff5c0b17..26714aa649 100644
--- a/Source/Details/ASTraitCollection.h
+++ b/Source/Details/ASTraitCollection.h
@@ -42,7 +42,7 @@ typedef struct ASPrimitiveTraitCollection {
 /**
  * Creates ASPrimitiveTraitCollection with default values.
  */
-extern ASPrimitiveTraitCollection ASPrimitiveTraitCollectionMakeDefault();
+extern ASPrimitiveTraitCollection ASPrimitiveTraitCollectionMakeDefault(void);
 
 /**
  * Creates a ASPrimitiveTraitCollection from a given UITraitCollection.
diff --git a/Source/Layout/ASLayoutElementPrivate.h b/Source/Layout/ASLayoutElementPrivate.h
index 9bc3101b06..96c520e5d7 100644
--- a/Source/Layout/ASLayoutElementPrivate.h
+++ b/Source/Layout/ASLayoutElementPrivate.h
@@ -37,9 +37,9 @@ extern int32_t const ASLayoutElementContextDefaultTransitionID;
 // Does not currently support nesting – there must be no current context.
 extern void ASLayoutElementPushContext(ASLayoutElementContext * context);
 
-extern ASLayoutElementContext * _Nullable ASLayoutElementGetCurrentContext();
+extern ASLayoutElementContext * _Nullable ASLayoutElementGetCurrentContext(void);
 
-extern void ASLayoutElementPopContext();
+extern void ASLayoutElementPopContext(void);
 
 NS_ASSUME_NONNULL_END
 
diff --git a/Source/Private/ASCollectionView+Undeprecated.h b/Source/Private/ASCollectionView+Undeprecated.h
index bc03fc6aa5..bf037b16ab 100644
--- a/Source/Private/ASCollectionView+Undeprecated.h
+++ b/Source/Private/ASCollectionView+Undeprecated.h
@@ -154,7 +154,7 @@ NS_ASSUME_NONNULL_BEGIN
  *                    Boolean parameter that contains the value YES if all of the related animations completed successfully or
  *                    NO if they were interrupted. This parameter may be nil. If supplied, the block is run on the main thread.
  */
-- (void)performBatchAnimated:(BOOL)animated updates:(nullable AS_NOESCAPE void (^)())updates completion:(nullable void (^)(BOOL finished))completion;
+- (void)performBatchAnimated:(BOOL)animated updates:(nullable AS_NOESCAPE void (^)(void))updates completion:(nullable void (^)(BOOL finished))completion;
 
 /**
  *  Perform a batch of updates asynchronously.  This method must be called from the main thread.
@@ -165,7 +165,7 @@ NS_ASSUME_NONNULL_BEGIN
  *                    Boolean parameter that contains the value YES if all of the related animations completed successfully or
  *                    NO if they were interrupted. This parameter may be nil. If supplied, the block is run on the main thread.
  */
-- (void)performBatchUpdates:(nullable AS_NOESCAPE void (^)())updates completion:(nullable void (^)(BOOL finished))completion;
+- (void)performBatchUpdates:(nullable AS_NOESCAPE void (^)(void))updates completion:(nullable void (^)(BOOL finished))completion;
 
 /**
  * Triggers a relayout of all nodes.
diff --git a/Source/Private/ASInternalHelpers.h b/Source/Private/ASInternalHelpers.h
index 31766b366a..90a525ef83 100644
--- a/Source/Private/ASInternalHelpers.h
+++ b/Source/Private/ASInternalHelpers.h
@@ -32,15 +32,15 @@ BOOL ASSubclassOverridesClassSelector(Class superclass, Class subclass, SEL sele
 IMP ASReplaceMethodWithBlock(Class c, SEL origSEL, id block);
 
 /// Dispatches the given block to the main queue if not already running on the main thread
-void ASPerformBlockOnMainThread(void (^block)());
+void ASPerformBlockOnMainThread(void (^block)(void));
 
 /// Dispatches the given block to a background queue with priority of DISPATCH_QUEUE_PRIORITY_DEFAULT if not already run on a background queue
-void ASPerformBlockOnBackgroundThread(void (^block)()); // DISPATCH_QUEUE_PRIORITY_DEFAULT
+void ASPerformBlockOnBackgroundThread(void (^block)(void)); // DISPATCH_QUEUE_PRIORITY_DEFAULT
 
 /// For deallocation of objects on a background thread without GCD overhead / thread explosion
 void ASPerformBackgroundDeallocation(id object);
 
-CGFloat ASScreenScale();
+CGFloat ASScreenScale(void);
 
 CGSize ASFloorSizeValues(CGSize s);
 
@@ -80,7 +80,7 @@ ASDISPLAYNODE_INLINE BOOL ASImageAlphaInfoIsOpaque(CGImageAlphaInfo info) {
  @param withoutAnimation Set to `YES` to perform given block without animation
  @param block Perform UIView geometry changes within the passed block
  */
-ASDISPLAYNODE_INLINE void ASPerformBlockWithoutAnimation(BOOL withoutAnimation, void (^block)()) {
+ASDISPLAYNODE_INLINE void ASPerformBlockWithoutAnimation(BOOL withoutAnimation, void (^block)(void)) {
   if (withoutAnimation) {
     [UIView performWithoutAnimation:block];
   } else {
diff --git a/Source/Private/ASInternalHelpers.m b/Source/Private/ASInternalHelpers.m
index e0d757101b..8bc865eb30 100644
--- a/Source/Private/ASInternalHelpers.m
+++ b/Source/Private/ASInternalHelpers.m
@@ -60,7 +60,7 @@ IMP ASReplaceMethodWithBlock(Class c, SEL origSEL, id block)
   }
 }
 
-void ASPerformBlockOnMainThread(void (^block)())
+void ASPerformBlockOnMainThread(void (^block)(void))
 {
   if (block == nil){
     return;
@@ -72,7 +72,7 @@ void ASPerformBlockOnMainThread(void (^block)())
   }
 }
 
-void ASPerformBlockOnBackgroundThread(void (^block)())
+void ASPerformBlockOnBackgroundThread(void (^block)(void))
 {
   if (block == nil){
     return;
diff --git a/Source/Private/TextExperiment/Utility/ASTextUtilities.h b/Source/Private/TextExperiment/Utility/ASTextUtilities.h
index c434cc9012..024fb269c4 100755
--- a/Source/Private/TextExperiment/Utility/ASTextUtilities.h
+++ b/Source/Private/TextExperiment/Utility/ASTextUtilities.h
@@ -164,13 +164,13 @@ static inline CGRect ASTextEmojiGetGlyphBoundingRectWithFontSize(CGFloat fontSiz
  Get the character set which should rotate in vertical form.
  @return The shared character set.
  */
-NSCharacterSet *ASTextVerticalFormRotateCharacterSet();
+NSCharacterSet *ASTextVerticalFormRotateCharacterSet(void);
 
 /**
  Get the character set which should rotate and move in vertical form.
  @return The shared character set.
  */
-NSCharacterSet *ASTextVerticalFormRotateAndMoveCharacterSet();
+NSCharacterSet *ASTextVerticalFormRotateAndMoveCharacterSet(void);
 
 
 /// Get the transform rotation.