awaitNullItemLoaded

@Composable
override fun ArrangeScreenContent() {
    val text = remember { mutableStateOf<String?>(null) }

    // simulated waiting
    LaunchedEffect(Unit) {
        delay(1000)
        text.value = "Hello World!"
    }

    awaitNullItemLoaded(
        itemToWait = text.value,
        extras = null, // any extras condition
        loadedContent = { nullSafeText -> // non-null value
            // the UI content which depends on the text state
            Text(
                text = nullSafeText
            )
        }
    )
}