pub type PFN_vkGetPhysicalDeviceSurfaceCapabilities2EXT = unsafe extern "system" fn(_physical_device: PhysicalDevice, _surface: SurfaceKHR, _surface_capabilities: *mut SurfaceCapabilities2EXT) -> Result;pub type PFN_vkGetPhysicalDeviceSurfaceCapabilities2EXT = unsafe extern "system" fn(_physical_device: PhysicalDevice, _surface: SurfaceKHR, _surface_capabilities: *mut SurfaceCapabilities2EXT) -> Result;