He is on board with the current Statute. He could protest if Filaret gets enough of what he wants (which is basically everything and the Moon), but that possibility is remote.
Interesting tidbit: a UOC-KP bishop revealed that EP already offered to regularize the church in Ukraine, back in 2008 (when the government tried to push for it, too). One offer was basically OCU: recognition as a Metropolis and Autocephaly, provided that they elect a new Primate (not Filaret). Filaret refused. Then they offered to accept UOC-KP into EP as a Metropolis and make Filaret a EP Metropolitan, with intent to grant Autocephaly in the future. Filaret, again, refused. He kicked and screamed in 2018, too, but found a match in then-President Poroshenko and was placated - for a time. Honestly, I'm not a fan of this guy, can't see why some Ukrainian patriots like him so much. He is, actually, like Trump in that his rhetoric is quite revealing: he would not accept anything as a "true, independent, free, Ukrainian Church" unless it is a Patriarchate and he is in charge. It's super clear every time he opens his mouth. He's still a valid bishop, though...