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 {

                    .desc(
                            "Resume reactor from the last failed project, using the resume.properties file in the build directory")
                    .get());
            options.addOption(Option.builder(RESUME_FROM)
                    .longOpt("resume-from")
                    .hasArg()
                    .desc("Resume reactor from specified project")
                    .get());

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);

    //
    // 4) Create MavenSession.
    //
    // 5) Execute AbstractLifecycleParticipant.afterSessionStart(session)
    //
    // 6) Get reactor projects looking for general POM errors
    //
    // 7) Create ProjectDependencyGraph using trimming which takes into account --projects and reactor mode.
    // This ensures that the projects passed into the ReactorReader are only those specified.
    //

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;

        hasChanges |= trimParentElementLimited(context, root, parentElement);

        // Only remove parent elements if the parent is in the same reactor (not external)
        if (isParentInReactor(parentElement, pomMap, context)) {
            // Remove parent groupId if child has no explicit groupId
            if (childGroupId == null) {

    }

    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(

        if (t instanceof Exception exception && !(t instanceof RuntimeException)) {
            eventCatapult.fire(ExecutionEvent.Type.ProjectFailed, currentSession, null, exception);
        }

        // reactor failure modes
        if (t instanceof RuntimeException || !(t instanceof Exception)) {
            // fail fast on RuntimeExceptions, Errors and "other" Throwables

    // Reactor Failure Mode
    // ----------------------------------------------------------------------

    String REACTOR_FAIL_FAST = "FAIL_FAST";

    String REACTOR_FAIL_AT_END = "FAIL_AT_END";

    String REACTOR_FAIL_NEVER = "FAIL_NEVER";

    // ----------------------------------------------------------------------
    // Reactor Make Mode