data, err := readFile(filename)
	if err != nil {
		return nil, err
	}
	return setupClustersEnvoyConfigWriter(data, out)
}

// TODO(fisherxu): migrate this to config dump when implemented in Envoy
// Issue to track -> https://github.com/envoyproxy/envoy/issues/3362
func setupClustersEnvoyConfigWriter(debug []byte, out io.Writer) (*clusters.ConfigWriter, error) {

 * deep support for asynchronous operations</a>. But if you want to migrate to Caffeine with minimal
 * code changes, you can use <a
 * href="https://www.javadoc.io/doc/com.github.ben-manes.caffeine/guava/latest/com.github.benmanes.caffeine.guava/com/github/benmanes/caffeine/guava/CaffeinatedGuava.html">its

  }

  /**
   * Returns the ratio of cache requests which were hits. This is defined as {@code hitCount /
   * requestCount}, or {@code 1.0} when {@code requestCount == 0}. Note that {@code hitRate +
   * missRate =~ 1.0}.
   */
  public double hitRate() {
    long requestCount = requestCount();
    return (requestCount == 0) ? 1.0 : (double) hitCount / requestCount;
  }

  /**

  }

  /**
   * Returns the ratio of cache requests which were hits. This is defined as {@code hitCount /
   * requestCount}, or {@code 1.0} when {@code requestCount == 0}. Note that {@code hitRate +
   * missRate =~ 1.0}.
   */
  public double hitRate() {
    long requestCount = requestCount();
    return (requestCount == 0) ? 1.0 : (double) hitCount / requestCount;
  }

  /**

	volumetest "k8s.io/kubernetes/pkg/volume/testing"
)

const (
	testHostName      = "test-hostname"
	socketPath        = "/var/run/kmsplugin"
	migratedVolume    = "migrated-volume-name"
	nonMigratedVolume = "non-migrated-volume-name"
	testNodeName      = "test-node-name"
)

var (
	dirOrCreate = v1.HostPathType(v1.HostPathDirectoryOrCreate)
	nodeName    = kubetypes.NodeName(testNodeName)

		},
		{
			name: "InitConfiguration only gets migrated",
			oldCfg: dedent.Dedent(fmt.Sprintf(`
			apiVersion: %s
			kind: InitConfiguration
			`, gv)),
			expectedKinds: []string{
				constants.InitConfigurationKind,
				constants.ClusterConfigurationKind,
			},
			expectErr: false,
		},
		{
			name: "ClusterConfiguration only gets migrated",
			oldCfg: dedent.Dedent(fmt.Sprintf(`
			apiVersion: %s

			ID           uint   `gorm:"primary_key;"`
			LanguageCode string `gorm:"primary_key"`
			Value        string
			Level1s      []Level1 `gorm:"many2many:levels;"`
		}
	)

	DB.Migrator().DropTable(&Level2{}, &Level1{})
	DB.Migrator().DropTable("levels")

	if err := DB.AutoMigrate(&Level2{}, &Level1{}); err != nil {
		t.Error(err)
	}

	want := Level2{Value: "Bob", LanguageCode: "ru", Level1s: []Level1{

	}
}

func TestAnnealMigrationAnnotations(t *testing.T) {
	// The gce-pd plugin is used to test a migrated plugin (as the feature is
	// locked as of 1.25), and rbd is used as a non-migrated plugin (still alpha
	// as of 1.25). As plugins are migrated, rbd should be changed to a non-
	// migrated plugin. If there are no other non-migrated plugins, then those
	// test cases are moot and they can be removed (keeping only the test cases

          
          # At this point we don't enforce the usage structured logging calls except in
          # those packages that were migrated. This disables the check for other files.
          -structured .*
          
          # Now enable it again for migrated packages.
          structured k8s.io/kubernetes/cmd/kubelet/.*
          structured k8s.io/kubernetes/pkg/kubelet/.*

}

func TestRunCallbacks(t *testing.T) {
	DB.Migrator().DropTable(&Product{})
	DB.AutoMigrate(&Product{})

	p := Product{Code: "unique_code", Price: 100}
	DB.Save(&p)

	if !reflect.DeepEqual(p.GetCallTimes(), []int64{1, 1, 0, 1, 1, 0, 0, 0, 0}) {