![java - Smart cast to 'CLASS!' is impossible, because 'VARIABLE' is a mutable property that could have been changed by this time - Stack Overflow java - Smart cast to 'CLASS!' is impossible, because 'VARIABLE' is a mutable property that could have been changed by this time - Stack Overflow](https://i.stack.imgur.com/oyB0W.png)
java - Smart cast to 'CLASS!' is impossible, because 'VARIABLE' is a mutable property that could have been changed by this time - Stack Overflow
![Null Safety] add a smart-cast to non-nullable inside condition · Issue #1716 · dart-lang/language · GitHub Null Safety] add a smart-cast to non-nullable inside condition · Issue #1716 · dart-lang/language · GitHub](https://user-images.githubusercontent.com/12999702/123917383-6437eb80-d98b-11eb-8bfc-8096f556b643.png)
Null Safety] add a smart-cast to non-nullable inside condition · Issue #1716 · dart-lang/language · GitHub
![java - Smart cast to 'ObserverT!!' is impossible because 'item.get()' is a complex expression - Stack Overflow java - Smart cast to 'ObserverT!!' is impossible because 'item.get()' is a complex expression - Stack Overflow](https://i.stack.imgur.com/LHsWY.png)