open class A {
    fun a(){}
    fun b(){}
}

interface I {
    fun b()
}

abstract class B : A() {
    open fun f(){}
    abstract fun g()
    fun h(){}
}

class C : B(), I {
    override fun equals(other: Any?): Boolean {
        <selection><caret>return super.equals(other)</selection>
    }

    override fun f() {
        super.f()
    }

    override fun g() {
        TODO("Not yet implemented")
    }

    override fun hashCode(): Int {
        return super.hashCode()
    }

    override fun toString(): String {
        return super.toString()
    }
}