pub type PFN_vkSetPrivateData = unsafe extern "system" fn(device: Device, object_type: ObjectType, object_handle: u64, private_data_slot: PrivateDataSlot, data: u64) -> Result;
pub type PFN_vkSetPrivateData = unsafe extern "system" fn(device: Device, object_type: ObjectType, object_handle: u64, private_data_slot: PrivateDataSlot, data: u64) -> Result;