{C : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} C] →
    {J : CategoryTheory.GrothendieckTopology C} →
      {A : Type u₂} →
        [inst_1 : CategoryTheory.Category.{v₂, u₂} A] → CategoryTheory.Sheaf J A → CategoryTheory.Functor Cᵒᵖ A