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