Example.kt

class ViewModel {
    private val repository: Repository  = Repository (A(), B())

    fun doSomething() {
        repository.use()
    }
}

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

fun main {
    val vm = ViewModel()
    vm.doSomething()
}