-- | The date and time the request was created.
spTimestamp :: Lens' SpotPrice (Maybe UTCTime)
spTimestamp = lens _spTimestamp (\s a -> s { _spTimestamp = a }) . mapping _Time
spTimestamp :: Lens' SpotPrice (Maybe UTCTime)
spTimestamp = lens _spTimestamp (\s a -> s { _spTimestamp = a }) . mapping _Time
spTimestamp = lens _spTimestamp (\s a -> s { _spTimestamp = a }) . mapping _Time