-- | The previous state of the instance.
iscPreviousState :: Lens' InstanceStateChange (Maybe InstanceState)
iscPreviousState = lens _iscPreviousState (\s a -> s { _iscPreviousState = a })
iscPreviousState :: Lens' InstanceStateChange (Maybe InstanceState)
iscPreviousState = lens _iscPreviousState (\s a -> s { _iscPreviousState = a })
iscPreviousState = lens _iscPreviousState (\s a -> s { _iscPreviousState = a })