{motive : Lean.Meta.SizeOfSpecNested.Context → Sort u} →
  ((indInfo : Lean.InductiveVal) →
      (sizeOfFns : Array Lean.Name) →
        (ctorName : Lean.Name) →
          (params localInsts : Array Lean.Expr) →
            (recMap : Lean.NameMap Lean.Name) →
              motive
                { indInfo := indInfo, sizeOfFns := sizeOfFns, ctorName := ctorName, params := params,
                  localInsts := localInsts, recMap := recMap }) →
    (t : Lean.Meta.SizeOfSpecNested.Context) → motive t