specific language governing permissions and limitations
under the License.
-->

<project>
  <parent>
    <artifactId>p2</artifactId>
    <groupId>maven.t02</groupId>
    <version>1.0</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven.t02</groupId>
  <artifactId>p3</artifactId>
  <packaging>pom</packaging>
  <name>p3</name>
  <version>1.0</version>
  <inceptionYear>2000</inceptionYear>

specific language governing permissions and limitations
under the License.
-->

<project>
  <parent>
    <artifactId>p1</artifactId>
    <groupId>maven.t02</groupId>
    <version>1.0</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven.t02</groupId>
  <artifactId>p2</artifactId>
  <packaging>pom</packaging>
  <name>p2</name>
  <version>1.0</version>
  <mailingLists>
    <mailingList>

specific language governing permissions and limitations
under the License.
-->

<project>
  <parent>
    <artifactId>p3</artifactId>
    <groupId>maven.t02</groupId>
    <version>1.0</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven.t02</groupId>
  <artifactId>p4</artifactId>
  <packaging>pom</packaging>
  <name>p4</name>
  <version>1.0</version>

specific language governing permissions and limitations
under the License.
-->

<project>
  <parent>
    <artifactId>p0</artifactId>
    <groupId>maven.t02</groupId>
    <version>1.0</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven.t02</groupId>
  <artifactId>p1</artifactId>
  <packaging>pom</packaging>
  <name>p1</name>
  <version>1.0</version>
  <scm>
    <url>scm-url</url>
  </scm>

    public static class Artifact {
        private String groupId;

        private String artifactId;

        private String version;

        private String extension;

        private String classifier;

        public Artifact(String groupId, String artifactId, String version, String extension, String classifier) {
            this.groupId = groupId;
            this.artifactId = artifactId;

            if (o == this) {
                return true;
            }
            if (o instanceof CacheKey that) {
                return Objects.equals(groupId, that.groupId)
                        && Objects.equals(artifactId, that.artifactId)
                        && Objects.equals(version, that.version)
                        && Objects.equals(dependencyArtifacts, that.dependencyArtifacts)

      <plugin>
        <artifactId>maven-source-plugin</artifactId>
      </plugin>
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>animal-sniffer-maven-plugin</artifactId>
      </plugin>
      <plugin>
        <extensions>true</extensions>
        <groupId>org.apache.felix</groupId>
        <artifactId>maven-bundle-plugin</artifactId>
        <version>6.0.0</version>
        <executions>

                            if (Objects.equals(artifact.getGroupId(), groupId)
                                    && Objects.equals(artifact.getArtifactId(), artifactId)) {
                                // here groupId and artifactId cannot be null
                                return new PluginInfo(groupId, artifactId, goalPrefix, name);
                            } else {

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

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

  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>com.example.group</groupId>
    <artifactId>com-parent</artifactId>
    <version>RELEASE</version>
  </parent>
  <groupId>com.example.group</groupId>
  <artifactId>valid-version-wrong</artifactId>
  <version>1.0</version>

  <description>