You fight it first on principle..Bidens white house should be carefully about opening the door to executive privilege protection from legislators intrusion....Yeah, that’s why Trump et al fought tooth and nail not to comply. Modesty.
Second, Any time you are a target and can run out the clock you do it
Third, Trump will fight everything
If there was a smoking gun in these papers, Trumps side would have put out their narrative before the other side gets the papers