set

fun <View : View> FrameLayout.set(@LayoutRes layout: Int): View
fun FrameLayout.set(view: View, params: ViewGroup.LayoutParams? = null): View
@JvmName(name = "setNull")
fun <View : CSViewInterface> FrameLayout.set(view: View? = null, params: ViewGroup.LayoutParams? = null): View?