I think if she does anything it will come out of a brokered convention.
I believe that in a brokered convention when no one single candidate carries the vote - that it opens up the field to anyone to be nominated at that time. Even if they didn't go through ANY of the voting primaries. (I believe this is the case)
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!