@SuppressWarnings("MethodOverridesStaticMethodOfSuperclass")
  public static @NotNull ProgressManager getInstance() {
    ProgressManager instance = ourInstance;
    if (instance == null) {
      instance = ApplicationManager.getApplication().getService(ProgressManager.class);
      ourInstance = instance;
    }
    return instance;
  }
@SuppressWarnings("MethodOverridesStaticMethodOfSuperclass")
  public static @NotNull ProgressManager getInstance()