*/
    public String getArtifactId() {
        return (artifactId != null) ? artifactId : "";
    }

    /**
     * Sets the effective artifact identifier of the model.
     *
     * @param artifactId The effective artifact identifier of the model, may be {@code null}.
     */
    public void setArtifactId(String artifactId) {
        this.artifactId = artifactId;
    }

    /**

  <modelVersion>4.0.0</modelVersion>

  <groupId>inheritance</groupId>
  <artifactId>child</artifactId>
  <version>12-SNAPSHOT</version>

  <!-- name is not inherited, but description is -->
  <description>Model inheritance description</description>
  <url>http://www.apache.org/child/</url><!-- child's artifactId appended to parent url -->

  <mailingLists>
    <mailingList>
      <name>parent</name>

                    <artifactId>test-project</artifactId>
                    <version>1.0.0</version>
                    <build>
                        <plugins>
                            <plugin>
                                <groupId>org.apache.maven.plugins</groupId>
                                <artifactId>maven-clean-plugin</artifactId>
                                <version>3.2.0</version>

under the License.
-->

<project>
  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.apache.maven.its.mng3899</groupId>
    <artifactId>parent</artifactId>
    <version>0.1</version>
  </parent>

  <artifactId>child</artifactId>

  <name>Maven Integration Test :: MNG-3899</name>
  <description>
    Test that build extensions are properly merged during inheritance.
  </description>

    }

    @Override
    public Object get(String groupId, String artifactId, String version, String tag) {
        return cache.get(session, new Key(groupId, artifactId, version, tag));
    }

    @Override
    public void put(String groupId, String artifactId, String version, String tag, Object data) {
        cache.put(session, new Key(groupId, artifactId, version, tag), data);
    }

    static class Key {

        <artifactId>maven-profile</artifactId>
        <version>${project.version}</version>
      </dependency>
      <dependency>
        <groupId>org.apache.maven</groupId>
        <artifactId>maven-model</artifactId>
        <version>${project.version}</version>
      </dependency>
      <dependency>
        <groupId>org.apache.maven</groupId>
        <artifactId>maven-project</artifactId>

  <groupId>maven-test</groupId>
  <artifactId>t05-a</artifactId>
  <packaging>jar</packaging>
  <version>2.0</version>
  <repositories>
    <repository>
      <id>central</id>
      <name>Fake Maven Central Repository</name>
      <url>file://dummy</url>
    </repository>
  </repositories>
  <dependencies>
    <dependency>
      <groupId>maven-test</groupId>
      <artifactId>t05-b</artifactId>
      <version>1.0</version>

		<groupId>org.codelibs.fess</groupId>
		<artifactId>fess-parent</artifactId>
		<version>15.4.0</version>
	</parent>
	<modules>
		<module>fess-crawler</module>
		<module>fess-crawler-lasta</module>
		<module>fess-crawler-opensearch</module>
	</modules>
	<build>
		<pluginManagement>
			<plugins>
				<plugin>
					<groupId>org.apache.maven.plugins</groupId>
					<artifactId>maven-shade-plugin</artifactId>
					<executions>

<project>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven-test</groupId>
  <artifactId>t06-b</artifactId>
  <packaging>jar</packaging>
  <version>1.0</version>
  <dependencies>
    <dependency>
      <groupId>maven-test</groupId>
      <artifactId>t06-c</artifactId>
      <version>1.0</version>
      <type>jar</type>
      <scope>compile</scope>
    </dependency>
    <dependency>
      <groupId>maven-test</groupId>

  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>cyclic-reference</groupId>
    <artifactId>parent</artifactId>
    <version>1.0-SNAPSHOT</version>
  </parent>
  <artifactId>module-b</artifactId>

  <dependencies>
    <dependency>
      <groupId>cyclic-reference</groupId>
      <artifactId>module-a</artifactId>
      <version>1.0-SNAPSHOT</version>
    </dependency>
  </dependencies>