mlir::StringAttr device = op->getAttrOfType<mlir::StringAttr>(kDeviceAttr);
  if (!device || device.getValue().empty()) {
    return std::nullopt;
  }
  tensorflow::DeviceNameUtils::ParsedName parsed_name;
  if (!tensorflow::DeviceNameUtils::ParseFullName(device.str(), &parsed_name)) {
    return std::nullopt;
  }
  if (!parsed_name.has_type) {
    return std::nullopt;
  }
  return parsed_name.type;
}

#include "tensorflow/core/util/device_name_utils.h"

namespace mlir {
namespace TF {
namespace {

using DeviceNameUtils = ::tensorflow::DeviceNameUtils;
using ParsedName = ::tensorflow::DeviceNameUtils::ParsedName;

constexpr const char *kHostAttr = "host";
constexpr const char *kDeviceAttr = "device";
constexpr const char *kTFDeviceAttr = "tf.device";

)

func validateSecretForSigning(ctx context.Context, secret *v1.Secret) (tokenID, tokenSecret string, ok bool) {
	logger := klog.FromContext(ctx)
	nameTokenID, ok := bootstrapsecretutil.ParseName(secret.Name)
	if !ok {
		logger.V(3).Info("Invalid secret name, must be of the form "+bootstrapapi.BootstrapTokenSecretPrefix+"<secret-id>", "secretName", secret.Name)
		return "", "", false
	}

  Status Sync() override { return errors::Unimplemented("FakeDevice::Sync()"); }

  static std::unique_ptr<Device> Make(const string& name,
                                      const string& desc = "") {
    DeviceNameUtils::ParsedName parsed_name;
    DeviceNameUtils::ParseFullName(name, &parsed_name);

    DeviceAttributes device_attributes;
    device_attributes.set_name(name);
    device_attributes.set_device_type(parsed_name.type);

  // LINT.IfChange
  auto device_id = StringAttr::get(call->getContext(), "device");
  auto caller_device = call->getAttrOfType<StringAttr>(device_id);
  if (!caller_device) return;

  DeviceNameUtils::ParsedName caller_parsed_device;
  if (!DeviceNameUtils::ParseFullName(caller_device.getValue().str(),
                                      &caller_parsed_device))
    return;

  MLIRContext *context = call->getContext();

        op->setAttr(tensorflow::kCompileDeviceTypeAttr,
                    builder.getStringAttr(tensorflow::kEmptyDevice));
        return mlir::WalkResult::advance();
      }
      tensorflow::DeviceNameUtils::ParsedName parsed_name;
      tensorflow::DeviceNameUtils::ParseFullOrLocalName(device_attr.getValue(),
                                                        &parsed_name);
      auto device_type = builder.getStringAttr(parsed_name.type);

	}
	pkg = p.getPkg(path, pkgname)
	if pkg == nil {
		p.errorf("package %s (path = %q) not found", name, path)
	}
	return
}

// Name = QualifiedName | "?" .
func (p *parser) parseName() string {
	if p.tok == '?' {
		// Anonymous.
		p.next()
		return ""
	}
	// The package path is redundant for us. Don't try to parse it.
	_, name := p.parseUnquotedQualifiedName()
	return name
}

  // Find and return a function record added by its name.
  virtual core::RefCountPtr<FunctionRecord> FindRecord(
      const string& name) const = 0;

  // Return the ParsedName of Host CPU device.
  virtual const DeviceNameUtils::ParsedName& HostCPUParsedName() const = 0;
  virtual const string& HostCPUName() const = 0;

  // Configure soft device placement policy.
  virtual void SetAllowSoftPlacement(bool enable) = 0;

    if (auto attr = func.getArgAttrOfType<StringAttr>(arg.getArgNumber(),
                                                      kFuncDeviceAttr)) {
      std::string device = attr.getValue().str();
      tensorflow::DeviceNameUtils::ParsedName parsed_name;
      if (!tensorflow::DeviceNameUtils::ParseFullName(device, &parsed_name)) {
        return read->emitOpError() << "invalid device '" << device << "'";
      }

			}
		}
		return string(value), nil
	}
	return "", fmt.Errorf("unsupported string type: %v", tag)
}

// parseName parses a DER encoded Name as defined in RFC 5280. We may
// want to export this function in the future for use in crypto/tls.
func parseName(raw cryptobyte.String) (*pkix.RDNSequence, error) {
	if !raw.ReadASN1(&raw, cryptobyte_asn1.SEQUENCE) {
		return nil, errors.New("x509: invalid RDNSequence")