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DIO Lines Tristate? push-pull?

Semtech Transceivers SX127x family
#1

Hi There
This question comes up often, but I’ve not seen a definitive answer.
Are the DIO Lines push-pull during active mode?
What about in Standby and Sleep modes?
I am trying to determine if pull-downs are actually required on the lines for power consumption reasons and documentation on this is extremely lacking.