NS_UNAVAILABLE
NS_DESIGNATED_INITIALIZER
- (instancetype)initWithFrame:(CGRect)frame NS_UNAVAILABLE;
- (instancetype)init NS_UNAVAILABLE;
- (instancetype)initWithCoder:(NSCoder *)coder NS_UNAVAILABLE;
NS_UNAVAILABLE
NS_DESIGNATED_INITIALIZER
- (instancetype)initWithFrame:(CGRect)frame NS_UNAVAILABLE;
- (instancetype)init NS_UNAVAILABLE;
- (instancetype)initWithCoder:(NSCoder *)coder NS_UNAVAILABLE;