Flutter intellij idea plugin issues

[krll-kov]

1. Converting StatelessWidget to a StatefulWidget removes all comments from the file
   

2. Typing Map<AnyType, AnyType> (especially a nested map) breaks the IDEA, it stops analyzing the code and shows "some" errors, which actually do not exists. To return IDEA to a normal state you need to close it and then open it again. The issue will disappear after such restart
   

flutter doctov -v:

This issue was moved by helin24 to dart-lang/sdk#46254.