pub type PFN_vkCreateValidationCacheEXT = unsafe extern "system" fn(Device, *const ValidationCacheCreateInfoEXT, *const AllocationCallbacks, *mut ValidationCacheEXT) -> Result;pub type PFN_vkCreateValidationCacheEXT = unsafe extern "system" fn(Device, *const ValidationCacheCreateInfoEXT, *const AllocationCallbacks, *mut ValidationCacheEXT) -> Result;