<name>CoreExtension</name>
      <description>Describes a build extension to utilise.</description>
      <version>1.0.0+</version>
      <fields>
        <field>
          <name>groupId</name>
          <description>The group ID of the extension's artifact.</description>
          <version>1.0.0+</version>
          <required>true</required>
          <type>String</type>
        </field>
        <field>

        assertEquals("Should have 2 groups", 2, multiAnnotation.groups().length);
        assertEquals("First group should be TestGroup", TestGroup.class, multiAnnotation.groups()[0]);
        assertEquals("Second group should be AnotherTestGroup", AnotherTestGroup.class, multiAnnotation.groups()[1]);

        assertEquals("Should have 2 payloads", 2, multiAnnotation.payload().length);

        return groupId + ":" + artifactId;
    }

    public static String key(Artifact artifact) {
        return key(artifact.getGroupId(), artifact.getArtifactId(), artifact.getVersion());
    }

    public static String key(String groupId, String artifactId, String version) {
        notBlank(groupId, "groupId can neither be null, empty nor blank");

                                <div class="form-group row">
                                    <label for="groups" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.groups"/></label>
                                    <div class="col-sm-9">
                                        <la:errors property="groups"/>

				</configuration>
			</plugin>
			<plugin>
				<groupId>com.mycila</groupId>
				<artifactId>license-maven-plugin</artifactId>
			</plugin>
			<plugin>
				<groupId>net.revelc.code.formatter</groupId>
				<artifactId>formatter-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>
	<dependencies>
		<dependency>
			<groupId>org.codelibs.fess</groupId>
			<artifactId>fess-crawler</artifactId>

				</configuration>
			</plugin>
			<plugin>
				<groupId>com.mycila</groupId>
				<artifactId>license-maven-plugin</artifactId>
			</plugin>
			<plugin>
				<groupId>net.revelc.code.formatter</groupId>
				<artifactId>formatter-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>
	<dependencies>
		<dependency>
			<groupId>org.codelibs.fess</groupId>
			<artifactId>fess-crawler</artifactId>

	</repositories>
	<dependencies>
		<dependency>
			<groupId>com.ibm.icu</groupId>
			<artifactId>icu4j</artifactId>
			<version>${icu4j.version}</version>
		</dependency>
		<dependency>
			<groupId>org.codelibs</groupId>
			<artifactId>corelib</artifactId>
			<version>${corelib.version}</version>
		</dependency>
		<dependency>
			<groupId>org.opensearch</groupId>
			<artifactId>opensearch</artifactId>

            }
        };

        assertEquals("Should have 2 groups", 2, multiAnnotation.groups().length);
        assertEquals("First group should be TestGroup", TestGroup.class, multiAnnotation.groups()[0]);
        assertEquals("Second group should be AnotherTestGroup", AnotherTestGroup.class, multiAnnotation.groups()[1]);

        assertEquals("Should have 2 payloads", 2, multiAnnotation.payload().length);

				</configuration>
			</plugin>
			<plugin>
				<groupId>com.mycila</groupId>
				<artifactId>license-maven-plugin</artifactId>
			</plugin>
			<plugin>
				<groupId>net.revelc.code.formatter</groupId>
				<artifactId>formatter-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>
	<dependencies>
		<dependency>
			<groupId>org.codelibs</groupId>
			<artifactId>corelib</artifactId>

        public ArtifactFactoryRequestBuilder trace(RequestTrace trace) {
            this.trace = trace;
            return this;
        }

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

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