diff --git a/JAListView.h b/JAListView.h
index 94caa70..126deac 100644
--- a/JAListView.h
+++ b/JAListView.h
@@ -56,20 +56,28 @@ extern NSString * const JAListViewDraggingPasteboardType;
 
 
 @interface JAListView : NSView {
-    NSMutableArray *cachedViews;
-    NSArray *cachedVisibleViews;
-    CGFloat heightForAllContent;
-    id<JAListViewDataSource> dataSource;
-    id<JAListViewDelegate> delegate;
-    id<JAListViewDraggingSourceDelegate> draggingSourceDelegate;
-    id<JAListViewDraggingDestinationDelegate> draggingDestinationDelegate;
-    BOOL canCallDataSourceInParallel;
-    NSPoint margin;
-    CGFloat *cachedLocations;
-    __weak JAListViewItem *viewBeingSelected;
-    NSColor *backgroundColor;
-    BOOL isResizingManually;
-    BOOL conditionallyUseLayerBacking;
+@private
+  NSMutableArray *cachedViews;
+  NSArray *cachedVisibleViews;
+  CGFloat heightForAllContent;
+  id<JAListViewDataSource> dataSource;
+  id<JAListViewDelegate> delegate;
+  id<JAListViewDraggingSourceDelegate> draggingSourceDelegate;
+  id<JAListViewDraggingDestinationDelegate> draggingDestinationDelegate;
+  BOOL canCallDataSourceInParallel;
+  NSPoint margin;
+  CGFloat *cachedLocations;
+  __weak JAListViewItem *viewBeingSelected;
+  NSColor *backgroundColor;
+  BOOL isResizingManually;
+  BOOL conditionallyUseLayerBacking;
+  JAEdgeInsets padding;
+  NSMutableArray *currentlySelectedViews;
+  NSTrackingArea *currentTrackingArea;
+  void (^currentAnimationBlock)(NSView *newSuperview, NSArray *viewsToAdd, NSArray *viewsToRemove, NSArray *viewsToMove);
+  NSMutableArray *viewsBeingUsedForInertialScrolling;
+  NSUInteger minIndexForReLayout;
+  BOOL allowNoSelection;
 }
 
 - (void)setup;
diff --git a/JAListViewItem.h b/JAListViewItem.h
index 2b31107..cb2cf0c 100644
--- a/JAListViewItem.h
+++ b/JAListViewItem.h
@@ -17,7 +17,15 @@ typedef enum {
 @class JAListView;
 
 
-@interface JAListViewItem : NSView {}
+@interface JAListViewItem : NSView {
+@private
+  BOOL                ignoreInListViewLayout;
+  JAListView          *listView;
+  BOOL                selected;
+  BOOL                highlighted;
+  JAListViewPosition  listViewPosition;
+  BOOL                ignoresListViewPadding;
+}
 
 - (NSImage *)draggingImage;
 
diff --git a/JASectionedListView.h b/JASectionedListView.h
index 1f84df0..299e99b 100644
--- a/JASectionedListView.h
+++ b/JASectionedListView.h
@@ -22,7 +22,10 @@ enum { JASectionedListViewHeaderIndex = NSUIntegerMax };
 @end
 
 
-@interface JASectionedListView : JAListView <JAListViewDataSource> {}
+@interface JASectionedListView : JAListView <JAListViewDataSource> {
+@private
+  id<JASectionedListViewDataSource> sectionDataSource;
+}
 
 - (NSUInteger)numberOfSections;
 - (NSUInteger)numberOfViewsInSection:(NSUInteger)section;