https://emotion.sh/

After this change in Material UI: mui-org/material-ui#6115

I'm trying to implement the onBackgkround message handle but the instructions suppose that the project was created with java despite the default now is Kotlin.
So I created Application class in the kotlin folder but now there are a couple of errors saying:

Cannot access 'android.app.Application' which is a supertype of 'com.my.app.Application'.
and:
**Cannot access 'java.lang.Object' wh

Should be pretty straightforward. We have already done something similar for force and remove rules.

Might require changes in security rule builder.

If you want this feature to be implemented, give it a thumbs up reaction, so that we can determine which features are important to you.
👍