import org.apache.maven.artifact.repository.layout.ArtifactRepositoryLayout;
import org.apache.maven.repository.Proxy;

/**
 * Abstraction of an artifact repository. Artifact repositories can be remote, local, or even build reactor or
 * IDE workspace.
 *
 * @deprecated Avoid use of this type, if you need access to local repository use repository system classes instead.
 */
@Deprecated
public interface ArtifactRepository {

import org.apache.maven.execution.ProjectDependencyGraph;
import org.apache.maven.model.building.Result;

/**
 * Builds the {@link ProjectDependencyGraph inter-dependencies graph} between projects in the reactor.
 *
 * @since 3.0-alpha
 */
public interface GraphBuilder {
    String HINT = "graphBuilder";

    Result<? extends ProjectDependencyGraph> build(MavenSession session);

import org.apache.maven.lifecycle.internal.builder.BuilderCommon;
import org.apache.maven.project.MavenProject;

/**
 * Contains status information that is global to an entire reactor build.
 *
 * @since 3.0
 */
public class ReactorBuildStatus {
    private final ProjectDependencyGraph projectDependencyGraph;

 * under the License.
 */
package org.apache.maven.lifecycle.internal;

import org.apache.maven.execution.MavenExecutionResult;

/**
 * Context that is fixed for the entire reactor build.
 *
 * @since 3.0
 *         NOTE: This class is not part of any public api and can be changed or deleted without prior notice.
 */
public class ReactorContext {
    private final MavenExecutionResult result;

import org.apache.maven.artifact.repository.MavenArtifactRepository;
import org.apache.maven.artifact.repository.layout.ArtifactRepositoryLayout;

/**
 * Delegating local artifact repository chains the reactor, IDE workspace
 * and user local repository.
 */
@Deprecated
public class DelegatingLocalArtifactRepository extends MavenArtifactRepository {
    private LocalArtifactRepository buildReactor;

    }

    List<Project> getProjects(List<org.apache.maven.project.MavenProject> projects);

    /**
     * May return null if the input project is null or is not part of the reactor.
     */
    @Nullable
    Project getProject(org.apache.maven.project.MavenProject project);

    List<org.apache.maven.artifact.repository.ArtifactRepository> toArtifactRepositories(

 */
package org.apache.maven;

import java.io.File;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

/**
 * Signals a collision of two or more projects with the same g:a:v during a reactor build.
 *
 */
public class DuplicateProjectException extends MavenExecutionException {

    private Map<String, List<File>> collisions;

    /**
     * Creates a new exception with specified details.
     *

 */
public interface Builder {
    //
    // Be nice to whittle this down to Session, maybe add task segments to the session. The session really is
    // the place to store reactor related information.
    //
    void build(
            MavenSession session,
            ReactorContext reactorContext,
            ProjectBuildList projectBuilds,
            List<TaskSegment> taskSegments,

 * under the License.
 */
package org.apache.maven.execution;

import java.time.Duration;

import org.apache.maven.project.MavenProject;

/**
 * Summarizes the result of a successful project build in the reactor.
 *
 */
public class BuildSuccess extends BuildSummary {

    /**
     * Creates a new build summary for the specified project.
     *
     * @param project The project being summarized, must not be {@code null}.

 * under the License.
 */
package org.apache.maven.execution;

import java.time.Duration;

import org.apache.maven.project.MavenProject;

/**
 * Summarizes the result of a failed project build in the reactor.
 *
 */
public class BuildFailure extends BuildSummary {

    /**
     * The cause of the build failure.
     */
    private final Throwable cause;

    /**