@NotNull
  @Override
  public List<? extends JpsPackagingElementSerializer<?>> getPackagingElementSerializers() {
    return Arrays.asList(new JpsModuleOutputPackagingElementSerializer(),
                         new JpsTestModuleOutputPackagingElementSerializer(),
                         new JpsModuleSourcePackagingElementSerializer());
  }
@NotNull
  @Override
  public List<? extends JpsPackagingElementSerializer<?>> getPackagingElementSerializers()