are only kept in the context rather than the ops folded/IR mutated.
  }];

  let constructor = "TF::CreateTFShapeInferencePass()";

  let options = [
    Option<"max_iterations_", "max-iterations", "int64_t", /*default=*/"10",
           "Maximum shape inference iterations">,
    Option<"input_arg_shapes_", "input-arg-shapes", "std::string", /*default=*/"",

// Derived shape attribute class.
//===----------------------------------------------------------------------===//
class DerivedShapeAttr<code body> : DerivedAttr<"ArrayRef<int64_t>", body>;
class DerivedTFLiteTypeAttr<code body, code convert> :
  DerivedAttr<"tflite::TensorType", body, convert>;

// TFL Runtime op trait predicate.
class TFL_RuntimePredOpTrait<string desc, Pred pred> :