// Using predefined values
@Preview
@Composable
fun MyPreview() = PreviewLab {
    val content: @Composable () -> Unit = fieldValue {
        ComposableField(
            label = "Content",
            initialValue = ComposableFieldValue.Red64X64,
            choices = listOf(
                ComposableFieldValue.Red32X32,
                ComposableFieldValue.Red64X64,
                ComposableFieldValue.SimpleText,
                ComposableFieldValue.Empty
            )
        )
    }
    MyBox(content = content)
}

// Creating custom ComposableFieldValue
val CustomIcon: ComposableFieldValue = object : ComposableFieldValue {
    override val label: String = "Custom Icon"

    @Composable
    override fun invoke() {
        Icon(Icons.Default.Star, contentDescription = null)
    }
}

// Using in a preview
@Preview
@Composable
fun CustomPreview() = PreviewLab {
    val icon: @Composable () -> Unit = fieldValue {
        ComposableField(
            label = "Icon",
            initialValue = CustomIcon
        )
    }
    MyButton(icon = icon)
}