test collapsing

@Composable
private fun TestCollapsing() {
    val state = rememberCollapsingToolbarState()
    val textSize = (18 + (30 - 18) * state.progress).sp

    AppBarContainer(
        scrollStrategy = ScrollStrategy.ExitUntilCollapsed,
        collapsingToolbarState = state,
    ) {
        CollapsingToolbar(collapsingToolbarState = state) {
            Box(
                modifier = Modifier
                    .background(MaterialTheme.colors.primary)
                    .fillMaxWidth()
                    .height(150.dp)
                    .pin()
            )

            Text(
                text = "Title",
                modifier = Modifier
                    .road(Alignment.CenterStart, Alignment.BottomEnd)
                    .padding(60.dp, 16.dp, 16.dp, 16.dp),
                color = Color.White,
                fontSize = textSize
            )
        }
        LazyColumn(modifier = Modifier.appBarBody()) {
            items(50) { index ->
                Text(
                    "I'm item $index", modifier = Modifier
                        .fillMaxWidth()
                        .padding(16.dp)
                )
            }
        }
    }
}