import org.apache.maven.project.MavenProject;
import org.eclipse.aether.RepositorySystemSession;

/**
 * Caches project artifacts. <strong>Warning:</strong> This is an internal utility interface that is only public for
 * technical reasons, it is not part of the public API. In particular, this interface can be changed or deleted without
 * prior notice.
 *
 */
public interface ProjectArtifactsCache {

    /**
     * A cache key.
     */

import org.eclipse.aether.artifact.Artifact;

/**
 * Manages the class realms used by Maven. <strong>Warning:</strong> This is an internal utility interface that is only
 * public for technical reasons, it is not part of the public API. In particular, this interface can be changed or
 * deleted without prior notice.
 *
 */
public interface ClassRealmManager {

    /**

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Assists in resolving the dependencies of a plugin. <strong>Warning:</strong> This is an internal utility class that
 * is only public for technical reasons, it is not part of the public API. In particular, this class can be changed or
 * deleted without prior notice.
 *
 * @since 3.0
 */
@Named
@Singleton

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Assists the project builder. <strong>Warning:</strong> This is an internal utility class that is only public for
 * technical reasons, it is not part of the public API. In particular, this class can be changed or deleted without
 * prior notice.
 *
 */
@Named
@Singleton
public class DefaultProjectBuildingHelper implements ProjectBuildingHelper {

          <defaultValue>true</defaultValue>
          <description>
            Whether this proxy configuration is the active one. Note: While the type of this field
            is {@code String} for technical reasons, the semantic type is actually {@code boolean}.
            @see #isActive()
          </description>
          <type>String</type>
        </field>
        <field>
          <name>protocol</name>

            }

            if ( versioning.getLastUpdated() == null || versioning.getLastUpdated().length() == 0 )
            {
                // this should only be for historical reasons - we assume local is newer
                versioning.setLastUpdated( v.getLastUpdated() );
            }

            if ( v.getLastUpdated() == null || v.getLastUpdated().length() == 0

 * data like the plugin realm. <strong>Warning:</strong> This is an internal utility interface that is only public for
 * technical reasons, it is not part of the public API. In particular, this interface can be changed or deleted without
 * prior notice.
 *
 * @since 3.0
 */
public interface PluginDescriptorCache {

    /**
     * A cache key.

/**
 * Helps to provide backward-compatibility with plugins that use legacy components. <strong>Warning:</strong> This is an
 * internal utility interface that is only public for technical reasons, it is not part of the public API. In
 * particular, this interface can be changed or deleted without prior notice.
 *
 * @since 3.0
 */
public interface LegacySupport {

    /**

import org.codehaus.plexus.classworlds.realm.ClassRealm;

/**
 * Caches extension class realms. <strong>Warning:</strong> This is an internal utility interface that is only public
 * for technical reasons, it is not part of the public API. In particular, this interface can be changed or deleted
 * without prior notice.
 *
 */
public interface ExtensionRealmCache {
    /**
     * A cache key.
     */

import org.eclipse.aether.repository.RemoteRepository;

/**
 * Caches plugin class realms. <strong>Warning:</strong> This is an internal utility interface that is only public for
 * technical reasons, it is not part of the public API. In particular, this interface can be changed or deleted without
 * prior notice.
 *
 */
public interface PluginRealmCache {
    /**
     * CacheRecord
     */