@NotNull
  public static ExternalSystemUiAware getUiAware(@NotNull ProjectSystemId externalSystemId) {
    ExternalSystemManager<?,?,?,?,?> manager = ExternalSystemApiUtil.getManager(externalSystemId);
    return manager instanceof ExternalSystemUiAware ? (ExternalSystemUiAware)manager : DefaultExternalSystemUiAware.INSTANCE;
  }
@NotNull
  public static ExternalSystemUiAware getUiAware(@NotNull ProjectSystemId externalSystemId)