trait T1 {
    fun foo()
}

enum class EnumImplementingTraitWithFun: T1 {
    E1 {
        override fun foo() {}
    }
    <!ABSTRACT_MEMBER_NOT_IMPLEMENTED!>E2<!>
}

trait T2 {
    val bar: Int
}

enum class EnumImplementingTraitWithVal: T2 {
    E1 {
        override val bar = 1
    }
    <!ABSTRACT_MEMBER_NOT_IMPLEMENTED!>E2<!>
}