+// @interface Web* (*) {{{
+@interface WebFrame (Apple)
+- (void) setNeedsLayout;
+@end
+
+@interface WebPreferences (Apple)
++ (void) _setInitialDefaultTextEncodingToSystemEncoding;
+- (void) _setLayoutInterval:(NSInteger)interval;
+- (void) setOfflineWebApplicationCacheEnabled:(BOOL)enabled;
+@end
+
+@interface WebView (Apple)
+- (void) _preferencesChanged:(WebPreferences *)preferences;
+- (void) _preferencesChangedNotification:(NSNotification *)notification;
+- (void) _setLayoutInterval:(float)interval;
+- (void) _setAllowsMessaging:(BOOL)allows;
+@end
+// }}}