@interface WebCoreSharedBufferData : NSData { struct RefPtr<const WebCore::DataSegment, WTF::RawPtrTraits<const WebCore::DataSegment>, WTF::DefaultRefDerefTraits<const WebCore::DataSegment>> { struct DataSegment *m_ptr; } _dataSegment; unsigned long long _position; unsigned long long _size; } + (void)initialize; - (void)dealloc; - (unsigned long long)length; - (id).cxx_construct; - (const void *)bytes; - (void).cxx_destruct; - (id)initWithDataSegment:(const void *)a0 position:(unsigned long long)a1 size:(unsigned long long)a2; @end