const std::vector<std::optional<std::vector<int>>>& input_shapes,
    const std::vector<std::string>& output_arrays,
    const std::vector<std::string>& control_output_arrays,
    const GraphdefToMlirOptions& import_options, mlir::MLIRContext* context) {
  GraphDef graphdef;
  TF_RETURN_IF_ERROR(
      tensorflow::LoadProtoFromBuffer({input.data(), input.size()}, &graphdef));
  if (!port::kLittleEndian)

  }

  // Register extra TF ops passed as OpDef.
  auto extra_opdefs_status = RegisterExtraTfOpDefs(extra_tf_opdefs);
  if (!extra_opdefs_status.ok()) return extra_opdefs_status;

  GraphdefToMlirOptions graphdef_conversion_options{
      std::string(debug_info_file),
      /*xla_compile_device_type=*/"",
      /*prune_unused_nodes=*/specs.prune_unused_nodes,
      /*convert_legacy_fed_inputs=*/true,