<scope>runtime</scope>
      <exclusions>
        <exclusion>
          <artifactId>excludeArtifact2</artifactId>
          <groupId>excludeGroup2</groupId>
        </exclusion>
      </exclusions>
      <optional>true</optional>
    </dependency>
    <dependency>
      <groupId>group5</groupId>
      <artifactId>testCompile</artifactId>
      <version>1.0</version>
      <scope>test</scope>
    </dependency>

      <scope>runtime</scope>
      <exclusions>
        <exclusion>
          <artifactId>excludeArtifact2</artifactId>
          <groupId>excludeGroup2</groupId>
        </exclusion>
      </exclusions>
    </dependency>
    <dependency>
      <groupId>group5</groupId>
      <artifactId>testCompile</artifactId>
      <version>1.0</version>
      <scope>test</scope>
    </dependency>
  </dependencies>

     *
     * @param artifactId an artifact id
     * @deprecated use {@code META-INF/maven/extension.xml} to define artifacts exported by Maven core and plugin
     *             extensions.
     */
    void excludeArtifact(String artifactId);

    Set<String> getCoreArtifactExcludes();

     */
    public ArtifactFilter getCoreArtifactFilter() {
        return new ExclusionSetFilter(getCoreArtifactExcludes());
    }

    public void excludeArtifact(String artifactId) {
        getExcludedArtifacts().add(artifactId);
    }

    public Set<String> getCoreArtifactExcludes() {
        Set<String> excludes = new LinkedHashSet<>(coreArtifacts);