}

    private static String getGroupId(Model model) {
        String groupId = model.getGroupId();
        if (groupId == null && model.getParent() != null) {
            groupId = model.getParent().getGroupId();
        }
        return groupId;
    }

    private static final class GAKey {

        private final String groupId;

        private final String artifactId;

        private final int hashCode;

<project>
  <parent>
    <groupId>gid</groupId>
    <artifactId>aid</artifactId>
    <version>1.0</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <groupId>org.sonatype.nexus</groupId>
  <artifactId>nexus</artifactId>
  <version>1.3.0-SNAPSHOT</version>
  <build>
    <plugins>
      <plugin>
        <groupId>org.codehaus.modello</groupId>
        <artifactId>modello-maven-plugin2</artifactId>

        artifact = new DefaultArtifact(groupId, artifactId, versionRange, scope, type, null, artifactHandler);
        assertEquals(groupId + ":" + artifactId + ":" + type, artifact.getDependencyConflictId());
    }

    @Test
    void testGetDependencyConflictIdNullScope() {
        artifact.setScope(null);

    <dependencies>
      <dependency>
        <groupId>com.google.guava</groupId>
        <artifactId>guava</artifactId>
        <version>${project.version}</version>
      </dependency>
      <dependency>
        <groupId>com.google.guava</groupId>
        <artifactId>guava-gwt</artifactId>
        <version>${project.version}</version>
      </dependency>
      <dependency>
        <groupId>com.google.guava</groupId>

        public ArtifactFactoryRequestBuilder session(Session session) {
            this.session = session;
            return this;
        }

        public ArtifactFactoryRequestBuilder groupId(String groupId) {
            this.groupId = groupId;
            return this;
        }

        public ArtifactFactoryRequestBuilder artifactId(String artifactId) {
            this.artifactId = artifactId;
            return this;

    <artifactId>p0</artifactId>
    <groupId>maven-t10</groupId>
    <version>1.0</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven-t10</groupId>
  <artifactId>p1</artifactId>
  <packaging>pom</packaging>
  <name>p1</name>
  <version>1.0</version>
  <scm>
    <url>scm-url</url>
  </scm>

  <dependencies>

    <dependency>
      <groupId>maven-test</groupId>
      <artifactId>t10-a</artifactId>

        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-ear-plugin</artifactId>
          <version>3.3.0</version>
          <configuration>
            <modules>
              <module>
                <test>test</test>
              </module>
              <jarModule>
                <groupId>artifactGroupId</groupId>
                <artifactId>artifactId</artifactId>

<project>
  <parent>
    <artifactId>maven</artifactId>
    <groupId>org.apache.maven</groupId>
    <version>2.0</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <groupId>org.apache.maven</groupId>
  <artifactId>maven-plugin-api</artifactId>
  <name>Maven Plugin API</name>
  <version>2.0</version>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.13.1</version>

<project>
    <parent>
        <groupId>gid</groupId>
        <artifactId>aid</artifactId>
        <version>1.0</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <groupId>org.sonatype.nexus</groupId>
    <artifactId>nexus</artifactId>
    <version>1.3.0-SNAPSHOT</version>
    <profiles>
        <profile>
            <id>test</id>
            <build>
                <plugins>
                    <plugin>

  <modelVersion>4.0.0</modelVersion>

  <groupId>org.test</groupId>
  <artifactId>test-build-dynamism</artifactId>
  <version>1</version>

  <build>
    <sourceDirectory>/${project.groupId}/src/main/java</sourceDirectory>
    <testSourceDirectory>/${pom.groupId}/src/test/java</testSourceDirectory>
    <scriptSourceDirectory>/${groupId}/src/main/scripts</scriptSourceDirectory>

    <plugins>
      <plugin>