<fields>
        <field>
          <name>classifier</name>
          <version>1.1.0+</version>
          <type>String</type>
          <description>The classifier of the sub-artifact. Each classifier and extension pair may only appear once.</description>
          <defaultValue></defaultValue>
          <identifier>true</identifier>

     */
    @Nonnull
    String getExtension();

    /**
     * Get the default classifier associated to the dependency type.
     * The default classifier can be overridden when specifying
     * the {@link Dependency#getClassifier()}.
     *
     * @return the default classifier, or {@code null}.
     */
    @Nullable
    String getClassifier();

    /**

 * beyond the standard ones provided by Maven (like jar, war, pom, etc.). Types define how artifacts
 * are handled, including their default extension, classifier, and language.
 * <p>
 * Implementations of this interface will be discovered through the Java ServiceLoader mechanism
 * and their provided types will be available throughout the Maven build process.
 * <p>

  implementation(libs.bouncycastle.bctls)
  api(libs.conscrypt.openjdk)
  api(libs.openjsse)

  api(rootProject.libs.junit.jupiter.engine)

  api(variantOf(libs.amazonCorretto) {
    classifier("linux-x86_64")
  })

  api(libs.hamcrestLibrary)
  api(libs.junit.jupiter.api)
  api(libs.junit.jupiter.params)

  api(libs.junit.pioneer)

  compileOnly(libs.robolectric.android)

    }

    @Override
    public Artifact createArtifactWithClassifier(
            String groupId, String artifactId, String version, String type, String classifier) {
        return new DefaultArtifact(groupId, artifactId, version, null, type, classifier, new TestArtifactHandler(type));
    }

    @Override
    public ArtifactRepository createDefaultLocalRepository() throws InvalidRepositoryException {

      <artifactId>org.eclipse.sisu.inject</artifactId>
    </dependency>
    <dependency>
      <groupId>com.google.inject</groupId>
      <artifactId>guice</artifactId>
      <classifier>classes</classifier>
    </dependency>
    <dependency>
      <groupId>org.ow2.asm</groupId>
      <artifactId>asm</artifactId>
    </dependency>
  </dependencies>

  <pluginRepositories>

      <artifactId>hamcrest</artifactId>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>com.google.inject</groupId>
      <artifactId>guice</artifactId>
      <classifier>classes</classifier>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.codehaus.plexus</groupId>
      <artifactId>plexus-testing</artifactId>
      <scope>test</scope>
    </dependency>

        a = artifactFactory.createArtifactWithClassifier("groupId", "a", "0.0.1-SNAPSHOT", "jar", "classifier");
        file = new File(localRepository.getBasedir(), localRepository.pathOf(a));
        a.setFile(file);

        assertEquals(
                "a-0.0.1-SNAPSHOT-classifier.jar.lastUpdated",
                updateCheckManager.getTouchfile(a).getName());
    }

                "sample.group",
                "sample-art",
                VersionRange.createFromVersion("1.0"),
                "scope",
                "jar",
                "classifier",
                null);
        artifact.setFile(getTestFile("target/sample-art"));

        StringWagon wagon = (StringWagon) wagonManager.getWagon("string");

        wagon.clearExpectedContent();

    Artifact createProjectArtifact(String groupId, String artifactId, String version);

    Artifact createArtifactWithClassifier(
            String groupId, String artifactId, String version, String type, String classifier);

    Artifact createPluginArtifact(Plugin plugin);

    Artifact createDependencyArtifact(Dependency dependency);