(motive : Option Lean.DelayedMetavarAssignment → Sort u_1) →
  (__do_lift : Option Lean.DelayedMetavarAssignment) →
    ((fvars : Array Lean.Expr) →
        (mvarIdPending : Lean.MVarId) → motive (some { fvars := fvars, mvarIdPending := mvarIdPending })) →
      ((x : Option Lean.DelayedMetavarAssignment) → motive x) → motive __do_lift