-- | The ICMP type. A value of -1 means all types.
itcCode :: Lens' IcmpTypeCode (Maybe Int)
itcCode = lens _itcCode (\s a -> s { _itcCode = a })
itcCode :: Lens' IcmpTypeCode (Maybe Int)
itcCode = lens _itcCode (\s a -> s { _itcCode = a })
itcCode = lens _itcCode (\s a -> s { _itcCode = a })