public unsafe partial Result UpdateSwapchainFB([Count(Count = 0)] Swapchain swapchain, [Count(Count = 0), Flow(FlowDirection.In)] SwapchainStateBaseHeaderFB *state);
 public unsafe partial Result GetSwapchainStateFB([Count(Count = 0)] Swapchain swapchain, [Count(Count = 0)] SwapchainStateBaseHeaderFB *state);