@class WebDeviceOrientationInternal; @interface WebDeviceOrientation : NSObject { WebDeviceOrientationInternal *m_internal; } - (void)dealloc; - (id)initWithCanProvideAlpha:(BOOL)a0 alpha:(double)a1 canProvideBeta:(BOOL)a2 beta:(double)a3 canProvideGamma:(BOOL)a4 gamma:(double)a5; - (id)initWithCoreDeviceOrientation:(void *)a0; @end