docs: public static int getGraphicsDeviceIndexIsShowingOn(final Component component)
  	{
  		final GraphicsDevice graphicsDevice = getGraphicsDeviceIsShowingOn(component);
  		final GraphicsDevice[] graphicsDevices = getAvailableScreens();
  		for (int i = 0; i < graphicsDevices.length; i++)
  		{
  			if (graphicsDevices[i].equals(graphicsDevice))
  			{
  				return i;
  			}
  		}
  		return 0;
  	}