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;