@ApiStatus.Internal
  @Nullable
  public static JpsProjectSerializationDataExtension getProjectExtension(@NotNull JpsProject project) {
    return project.getContainer().getChild(JpsProjectSerializationDataExtensionImpl.ROLE);
  }
@ApiStatus.Internal
  @Nullable
  public static JpsProjectSerializationDataExtension getProjectExtension(@NotNull JpsProject project)