private @NotNull String buildTitle() {
    String title = myTitle;
    if (title == null && myException != null) {
      title = getRootCauseExceptionMessage(myException);
    }
    if (title == null) {
      title = myText;
    }
    if (title == null) {
      assert myGroup != null;
      title = myGroup;
    }
    if (myProject != null) {
      String projectDisplayName = myProject.getDisplayName();
      title = projectDisplayName + ": " + title;
    }
    return title;
  }
private @NotNull String buildTitle()