### DpAnimationSample
```kotlin
@Composable
fun DpAnimationSample() {
    @Composable
    fun HeightAnimation(collapsed: Boolean) {
        // Animates a height of [Dp] type to different target values based on the [collapsed] flag.
        val height: Dp by animateDpAsState(if (collapsed) 10.dp else 20.dp)
        Box(Modifier.fillMaxWidth().requiredHeight(height).background(color = Color.Red))
    }
}
```