return group;
    }

    @Override
    public boolean excludes(ModuleIdentifier module) {
        return group.equals(module.getGroup());
    }

    @Override
    public boolean excludesArtifact(ModuleIdentifier module, IvyArtifactName artifactName) {
        return false;
    }

    @Override
    public boolean mayExcludeArtifacts() {
        return false;
    }

    @Override

        return moduleId;
    }

    @Override
    public boolean excludes(ModuleIdentifier module) {
        return moduleId.equals(module);
    }

    @Override
    public boolean excludesArtifact(ModuleIdentifier module, IvyArtifactName artifactName) {
        return false;
    }

    @Override
    public boolean mayExcludeArtifacts() {
        return false;
    }

    @Override

        ImmutableList.Builder<ComponentArtifactMetadata> artifactsToResolveBuilder = ImmutableList.builderWithExpectedSize(artifacts.size());
        for (ComponentArtifactMetadata artifact : artifacts) {
            if (!exclusions.excludesArtifact(module, artifact.getName())) {
                artifactsToResolveBuilder.add(artifact);
            } else {
                hasExcludedArtifact = true;
            }
        }

    <dependency>
      <groupId>group1</groupId>
      <artifactId>compile</artifactId>
      <version>1.0</version>
      <scope>compile</scope>
      <exclusions>
        <exclusion>
          <artifactId>excludeArtifact</artifactId>
          <groupId>excludeGroup</groupId>
        </exclusion>
      </exclusions>
    </dependency>
    <dependency>
      <groupId>group3</groupId>
      <artifactId>runtime</artifactId>

    <dependency>
      <groupId>group1</groupId>
      <artifactId>compile</artifactId>
      <version>1.0</version>
      <scope>compile</scope>
      <exclusions>
        <exclusion>
          <artifactId>excludeArtifact</artifactId>
          <groupId>excludeGroup</groupId>
        </exclusion>
      </exclusions>
    </dependency>
    <dependency>
      <groupId>group3</groupId>
      <artifactId>runtime</artifactId>

     *
     * @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);