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# null

Returns the singleton instance of `NSNull`.

```
+ (NSNull *) null;
```

## Return Value

The singleton instance of `NSNull`. Equal to <doc://com.apple.documentation/documentation/CoreFoundation/kCFNull>.

## See Also

  [Number and Value Programming Topics](https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/NumbersandValues/NumbersandValues.html#//apple_ref/doc/uid/10000038i)


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