AdaptiveTwoPane

fun AdaptiveTwoPane(modifier: Modifier = Modifier, metrics: AdaptiveMetrics = rememberAdaptiveMetrics(), spacing: Dp = 16.dp, startWeight: Float = 1.0f, endWeight: Float = 1.0f, start: @Composable () -> Unit, end: @Composable () -> Unit)

Side-by-side on wide landscape; stacked otherwise.