@interface WebRootSampleBufferBoundsChangeListener : NSObject { struct Function<void ()> { struct unique_ptr<WTF::Detail::CallableWrapperBase<void>, std::default_delete<WTF::Detail::CallableWrapperBase<void>>> { struct __compressed_pair<WTF::Detail::CallableWrapperBase<void> *, std::default_delete<WTF::Detail::CallableWrapperBase<void>>> { void *__value_; } __ptr_; } m_callableWrapper; } _callback; struct RetainPtr<CALayer> { void *m_ptr; } _rootLayer; } - (void)dealloc; - (void)invalidate; - (id).cxx_construct; - (void)stop; - (void)observeValueForKeyPath:(id)a0 ofObject:(id)a1 change:(id)a2 context:(void *)a3; - (void).cxx_destruct; - (id)initWithCallback:(void *)a0; - (void)begin:(id)a0; @end