this.artifact = artifact;
    }

    public ArtifactTransferEvent(
            String wagon, final Exception exception, final int requestType, ArtifactTransferResource artifact) {
        this(wagon, TRANSFER_ERROR, requestType, artifact);

        this.exception = exception;
    }

    public ArtifactTransferResource getResource() {
        return artifact;
    }

    /**

  It is more than simply understanding that m2 cannot go and check for the
  latest version of some snapshot artifact. If m2 is offline, SCM operations
  cannot succeed; no artifact downloads can take place, regardless of whether
  they are snapshot versions; artifact deployment cannot take place; certain
  types of tests cannot be setup, since the container used to run them cannot be
  reached or started.

import org.apache.maven.artifact.versioning.ArtifactVersion;
import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
import org.apache.maven.artifact.versioning.OverConstrainedVersionException;
import org.apache.maven.artifact.versioning.VersionRange;

/**
 */
public class DefaultArtifact implements Artifact {
    private String groupId;

    private String artifactId;

        private final ExtensionDescriptor descriptor;

        private final List<Artifact> artifacts;

        CacheRecord(ClassRealm realm, ExtensionDescriptor descriptor, List<Artifact> artifacts) {
            this.realm = realm;
            this.descriptor = descriptor;
            this.artifacts = artifacts;
        }

        public ClassRealm getRealm() {
            return realm;
        }

        List<String> elements = project.getCompileClasspathElements();
        assertEquals(2, elements.size());

        @SuppressWarnings("deprecation")
        List<Artifact> artifacts = project.getCompileArtifacts();
        assertEquals(1, artifacts.size());
        assertTrue(artifacts.get(0).getFile().getName().endsWith("tools.jar"));
    }

        assertEquals("bar", project.getProperties().getProperty("foo"));

        ArrayList<Artifact> artifacts = new ArrayList<>(project.getArtifacts());

        assertEquals(1, artifacts.size());
        assertEquals(INJECTED_ARTIFACT_ID, artifacts.get(0).getArtifactId());
    }

    @Test
    void testReactorDependencyInjection() throws Exception {

import javax.inject.Singleton;

import org.apache.maven.artifact.versioning.ArtifactVersion;
import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
import org.codehaus.plexus.component.annotations.Configuration;

/**
 *
 */
@Named
@Singleton
@Deprecated
public class DefaultGraphConflictResolutionPolicy implements GraphConflictResolutionPolicy {
    /**
     * artifact, closer to the entry point, is selected
     */

     */
    PluginVersionRequest setGroupId(String groupId);

    /**
     * Gets the artifact id of the plugin.
     *
     * @return The artifact id of the plugin.
     */
    String getArtifactId();

    /**
     * Sets the artifact id of the plugin.
     *
     * @param artifactId The artifact id of the plugin.
     * @return This request, never {@code null}.
     */

import javax.inject.Named;
import javax.inject.Singleton;

import java.io.File;
import java.nio.file.Files;
import java.util.concurrent.atomic.AtomicReference;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.DefaultArtifact;
import org.apache.maven.execution.MavenExecutionRequest;
import org.apache.maven.execution.MavenExecutionResult;
import org.apache.maven.execution.MavenSession;

import java.util.Set;
import java.util.stream.Collectors;

import org.apache.maven.plugin.PluginValidationManager;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.graph.Dependency;
import org.eclipse.aether.resolution.ArtifactDescriptorResult;

/**
 * Detects Maven2 plugins.
 *
 * @since 3.9.2
 */
@Singleton
@Named