pub type PFN_vkCreateDebugUtilsMessengerEXT = unsafe extern "system" fn(_instance: Instance, _create_info: *const DebugUtilsMessengerCreateInfoEXT, _allocator: *const AllocationCallbacks, _messenger: *mut DebugUtilsMessengerEXT) -> Result;pub type PFN_vkCreateDebugUtilsMessengerEXT = unsafe extern "system" fn(_instance: Instance, _create_info: *const DebugUtilsMessengerCreateInfoEXT, _allocator: *const AllocationCallbacks, _messenger: *mut DebugUtilsMessengerEXT) -> Result;