### ElevatedToggleButtonSample
```kotlin
@OptIn(ExperimentalMaterial3ExpressiveApi::class)
@Preview
@Composable
fun ElevatedToggleButtonSample() {
    var checked by remember { mutableStateOf(false) }
    ElevatedToggleButton(checked = checked, onCheckedChange = { checked = it }) {
        Text("Elevated Button")
    }
}
```