@Nonnull
    default Artifact create(
            @Nonnull Session session, String groupId, String artifactId, String version, String extension) {
        return create(ArtifactFactoryRequest.build(session, groupId, artifactId, version, extension));
    }

    @Nonnull
    default Artifact create(
            @Nonnull Session session,
            String groupId,
            String artifactId,
            String version,

            Throwable cause) {
        super(
                constructMissingArtifactMessage(
                        message, "", groupId, artifactId, version, type, classifier, downloadUrl, path),
                groupId,
                artifactId,
                version,
                type,
                classifier,
                remoteRepositories,
                null,
                cause);

<project>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven</groupId>
  <artifactId>p0</artifactId>
  <packaging>pom</packaging>
  <version>1.0</version>

  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <executions>
          <execution>
            <id>test</id>

            <!--  The key to this test... -->

<project>
  <parent>
    <artifactId>p1</artifactId>
    <groupId>maven.t01</groupId>
    <version>1.0</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven.t01</groupId>
  <artifactId>p2</artifactId>
  <packaging>pom</packaging>
  <name>p2</name>
  <version>1.0</version>
  <organization>
    <name>p2-org</name>
  </organization>

<project>
  <modelVersion>4.0.0</modelVersion>
  <artifactId>foo</artifactId>
  <groupId>foo</groupId>
  <version>99.44</version>
  <packaging>jar</packaging>

  <dependencies>
    <dependency>
      <groupId>gid</groupId>
      <artifactId>aid</artifactId>
      <version>1.0</version>
      <exclusions>
        <exclusion>
          <groupId></groupId>
        </exclusion>
      </exclusions>
    </dependency>

    }

    private Artifact createPluginArtifactX(String groupId, String artifactId, VersionRange versionRange) {
        return createArtifactX(groupId, artifactId, versionRange, "maven-plugin", null, Artifact.SCOPE_RUNTIME, null);
    }

    private Artifact createProjectArtifactX(String groupId, String artifactId, String version, String scope) {

  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>inheritance</groupId>
    <artifactId>parent</artifactId>
    <version>11-SNAPSHOT</version>
  </parent>

  <groupId>inheritance</groupId>
  <artifactId>child-artifact-id</artifactId>
  <version>11-SNAPSHOT</version>

    <modelVersion>4.0.0</modelVersion>

    <groupId>test</groupId>
    <artifactId>import</artifactId>
    <version>0.1-SNAPSHOT</version>
    <packaging>pom</packaging>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>test</groupId>
                <artifactId>mydep</artifactId>
                <version>0.1</version>

  <modelVersion>4.0.0</modelVersion>

  <groupId>org.apache.maven.its.it0063</groupId>
  <artifactId>maven-it-it0063</artifactId>
  <version>1.0</version>
  <packaging>jar</packaging>

  <name>Maven Integration Test :: it0063</name>
  <description>Test the use of a system scoped dependency to a (fake) tools.jar.</description>

  <dependencies>
    <dependency>
      <groupId>com.sun</groupId>
      <artifactId>tools</artifactId>

/**
 * Metadata for the group directory of the repository.
 *
 */
@Deprecated
public class GroupRepositoryMetadata extends AbstractRepositoryMetadata {
    private final String groupId;

    public GroupRepositoryMetadata(String groupId) {
        super(new Metadata());
        this.groupId = groupId;
    }

    @Override
    public boolean storedInGroupDirectory() {