A friend of mine went to the park today and basically had a look at what could be relocated.
The answer is very little. Nearly every attraction in that park is in rough shape or simply outdated. The teacups had all of its lighting stripped this offseason and the motions were jerky, most of the flats felt like that. Wild One needs an overhaul it'll never get, Firebird's second train is unaccounted for. It's quite likely that a majority of the attractions will simply become spare parts, and the shortlist of rides most likely to be lifted from the ruins by corporate is... quite short.
Ragin' Cajun to be honest is the only major coaster likely to make it out in one piece, but isn't likely to stay in the chain given that most Six Flags parks already have wild mice and it just wouldn't fit at the few that don't.
The
Starflyer, Giant Discovery, and
NebulaZ are the three most recent and likely attractions to be viewed as assets. The NebulaZ was only built last year and could go anywhere really. The Discovery however will be very very difficult to keep, given the parks that don't have the ride or similar and the space constraints of each. The Starflyer meanwhile can realistically go to three parks; Dorney Park, Frontier City, and Michigan's Adventure. (
I would like to see Great Escape try to propose a 240-ft tower ride to the locals though, we'd never hear the end of it 
).
A park that needs at least one of the latter two is Six Flags Darien Lake. The issue however is that Team Zimmerman may be reviewing their stewardship of the park, and any new ride has historically been a negotiation with the owners. They wouldn't plop a major new attraction there on the house if there was a chance of jumping ship, the best case scenario would be to convince EPR Properties to buy the ride from Six Flags.
Outside of that, almost everything is most likely to become parts donors. There'll perhaps be other attractions and at bare minimum several coaster trains that find their way out but it's just not well stocked on rides worth salvaging. The last brand new coaster was Batwing in 2001 and almost all of them need a ton of work to even have a chance at new life elsewhere, really not much is going to survive this park's death. Just food for thought.