{α : Type} →
  {motive : Lean.ParserCompiler.Context α → Sort u} →
    (t : Lean.ParserCompiler.Context α) →
      ((varName : Lean.Name) →
          (categoryAttr : Lean.KeyedDeclsAttribute α) →
            (combinatorAttr : Lean.ParserCompiler.CombinatorAttribute) →
              motive { varName := varName, categoryAttr := categoryAttr, combinatorAttr := combinatorAttr }) →
        motive t