Example.kt

class ViewModel(private val repository: Repository) {
    fun doSomething() {
        repository.use()
    }
}

class Repository(private val objectA, private val objectB: B) {
    fun use() {
        objectA.use()
        objectB.use()
    }
}

fun main {
    val vm = ViewModel(Repository(A(), B())
    vm.doSomething()
}