Lean.MVarId →
  Lean.Meta.Simp.Context →
    optParam Lean.Meta.Simp.SimprocsArray #[] →
      optParam (Option Lean.Meta.Simp.Discharge) none →
        optParam Bool true → optParam Lean.Meta.Simp.Stats { } → Lean.MetaM (Option Lean.MVarId × Lean.Meta.Simp.Stats)