pub type PFN_vkGetPhysicalDeviceCalibrateableTimeDomainsKHR = unsafe extern "system" fn(_physical_device: PhysicalDevice, _time_domain_count: *mut u32, _time_domains: *mut TimeDomainKHR) -> Result;pub type PFN_vkGetPhysicalDeviceCalibrateableTimeDomainsKHR = unsafe extern "system" fn(_physical_device: PhysicalDevice, _time_domain_count: *mut u32, _time_domains: *mut TimeDomainKHR) -> Result;