@NotNull
  @Override
  public CompositePackagingElement<?> createRootElement(@NotNull String artifactName) {
    return PackagingElementFactory.getInstance().createArchive(ArtifactUtil.suggestArtifactFileName(artifactName) + ".jar");
  }
@NotNull
  @Override
  public CompositePackagingElement<?> createRootElement(@NotNull String artifactName)