/kt45461_25.fir.kt:(175,179): warning: Unchecked cast of 'kotlin.Nothing?' to 'S'.

/kt45461_25.fir.kt:(205,208): warning: Type 'kotlin.Int' is final, so the value of the type parameter is predetermined.

/kt45461_25.fir.kt:(275,282): error: Type argument for type parameter 'S' cannot be inferred because it has incompatible upper bounds: kotlin.String, K (multiple incompatible classes: kotlin/String, kotlin/Int).
