WindowStyleManager

fun WindowStyleManager(    window: Window,     isDarkTheme: Boolean = false,     backdropType: WindowBackdrop = WindowBackdrop.Default,     frameStyle: WindowFrameStyle = WindowFrameStyle()): WindowStyleManager

Creates a suitable WindowStyleManager for window or a stub manager if the OS is not supported.

The created manager is initialized by the supplied parameters. See WindowStyleManager.isDarkTheme, WindowBackdrop, WindowFrameStyle.