registerDefault
open override fun registerDefault(colorMode: ColorMode, statusColorMode: ColorMode, navigationColorMode: ColorMode, @IntRange(from = 0, to = 255) systemBarAlpha: Int, @IntRange(from = 0, to = 255) statusBarAlpha: Int, @IntRange(from = 0, to = 255) navigationBarAlpha: Int): SystemBarColorHelper
When none of the registered flows emit true, system bars will be colored according to the provided options.