-- | The device index of the network interface attachment on the instance.
niaDeviceIndex :: Lens' NetworkInterfaceAttachment (Maybe Int)
niaDeviceIndex = lens _niaDeviceIndex (\s a -> s { _niaDeviceIndex = a })
niaDeviceIndex :: Lens' NetworkInterfaceAttachment (Maybe Int)
niaDeviceIndex = lens _niaDeviceIndex (\s a -> s { _niaDeviceIndex = a })
niaDeviceIndex = lens _niaDeviceIndex (\s a -> s { _niaDeviceIndex = a })