- (void)_close;
+@property (nonatomic, getter=_isFixedLayoutEnabled, setter=_setFixedLayoutEnabled:) BOOL _fixedLayoutEnabled;
+@property (nonatomic, setter=_setFixedLayoutSize:) CGSize _fixedLayoutSize;
+
#if TARGET_OS_IPHONE
// DERECATED: The setters of the three following function are deprecated, please use overrideLayoutParameters.
// Define the smallest size a page take with a regular viewport.