Balcony door child locks

Can anyone confirm if Royal Caribbean's Liberty of the Seas (Freedom class) has a child lock on the balcony door? I understand that the door is fairly heavy and requires turning the whole handle to open, but is there also a lock up high out of reach? I am. It super worried but I would still like to know. I've gotten 2 different answers from RCCL.

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Yes, they do...it's high on the door and pretty difficult to unlock...no worries about the kiddos! And, unless you're in a huge suite, you are never more than 2 steps from anyone else in the cabin!