* limitations under the License.
 */

package org.gradle.internal.state;

import javax.annotation.Nullable;

/**
 * Implemented by types whose state is fully managed by Gradle. Mixed into generated classes whose state is fully managed.
 */
public interface Managed {
    /**

import java.lang.annotation.Target;

/**
 * A managed type is transparent to the model space, and enforces immutability at the appropriate times in the object's lifecycle.
 * <p>
 * Gradle generates implementations for managed types.
 * As such, managed types are declared either as interfaces or abstract classes.
 * The generated implementation integrates with the model space mechanisms, and manages mutability.
 * <p>

<project>
  <modelVersion>4.0.0</modelVersion>

  <groupId>test</groupId>
  <artifactId>versionless-managed-dependency.xml</artifactId>
  <version>0.0.1-SNAPSHOT</version>

  <dependencies>
    <dependency>
      <groupId>org.apache.maven.its</groupId>
      <artifactId>a</artifactId>
    </dependency>
  </dependencies>

  <dependencyManagement>
    <dependencies>
      <dependency>
        <groupId>org.apache.maven.its</groupId>

	// use-case), and simply updates the managed fields in the output
	// object.
	//  * `liveObj` is not mutated by this function
	//  * `newObj` may be mutated by this function
	// Returns the new object with managedFields removed, and the object's new
	// proposed managedFields separately.
	Update(liveObj, newObj runtime.Object, managed Managed, manager string) (runtime.Object, Managed, error)

	}
}

// Update implements Manager.
func (f *capManagersManager) Update(liveObj, newObj runtime.Object, managed Managed, manager string) (runtime.Object, Managed, error) {
	object, managed, err := f.fieldManager.Update(liveObj, newObj, managed, manager)
	if err != nil {
		return object, managed, err
	}
	if managed, err = f.capUpdateManagers(managed); err != nil {

	}
	return managed, nil
}

func emptyManagedFieldsOnErr(managed Managed, err error) (Managed, error) {
	if err != nil {
		return NewEmptyManaged(), nil
	}
	return managed, nil
}

// Update is used when the object has already been merged (non-apply
// use-case), and simply updates the managed fields in the output
// object.

	newObj, managed, err := f.fieldManager.Apply(liveObj, appliedObj, managed, manager, force)
	if err != nil {
		return nil, nil, err
	}
	f.stripFields(managed.Fields(), manager)
	return newObj, managed, nil
}

// stripFields removes a predefined set of paths found in typed from managed

	}
}

// Update implements Manager.
func (f *skipNonAppliedManager) Update(liveObj, newObj runtime.Object, managed Managed, manager string) (runtime.Object, Managed, error) {
	accessor, err := meta.Accessor(liveObj)
	if err != nil {
		return newObj, managed, nil
	}

	// If managed fields is empty, we need to determine whether to skip tracking managed fields.
	if len(managed.Fields()) == 0 {

	if vs, ok := managed.Fields()[self]; ok {
		delete(managed.Fields(), self)

		if previous, ok := managed.Fields()[manager]; ok {
			managed.Fields()[manager] = fieldpath.NewVersionedSet(vs.Set().Union(previous.Set()), vs.APIVersion(), vs.Applied())
		} else {
			managed.Fields()[manager] = vs
		}

		managed.Times()[manager] = &metav1.Time{Time: time.Now().UTC()}
	}

)

type fakeManager struct{}

var _ internal.Manager = &fakeManager{}

func (*fakeManager) Update(_, newObj runtime.Object, managed internal.Managed, _ string) (runtime.Object, internal.Managed, error) {
	return newObj, managed, nil
}

func (*fakeManager) Apply(_, _ runtime.Object, _ internal.Managed, _ string, _ bool) (runtime.Object, internal.Managed, error) {
	panic("not implemented")
}