They can declare Zaporozhye People's Republic without capture of Zaporozhye.
Putin’s army wants to declare Melitopol a regional center, and a "referendum" is planned for July. This was reported by the Territorial Defense Forces "East" with reference to intelligence. The "referendum" will be held in the territories that the aggressors plan to seize before election day. The goal is to further advance to the Zaporizhia region.
According to some reports, the Kremlin plans to launch new "special operations" with the so-called new regional borders after the "referendums".