);

  DerivedTypeAttr dtype = DerivedTypeAttr<
      "return getElementTypeOrSelf(resource_subtype());">;
  DerivedAttr shape = DerivedAttr<
      "ShapedType",
      "return resource_subtype().cast<ShapedType>();",
      [{ mlir::TF::ShapeAttr::get($_ctxt, $_self) }]>;

  let extraClassDeclaration = [{
    TensorType resource_subtype() { return resource_type().getSubtypes()[0]; }

    ResourceType resource_type() {