@Override
  public String toString() {
    return "NotificationGroupEP{" +
           "id='" + id + '\'' +
           ", displayType=" + displayType +
           ", isLogByDefault=" + isLogByDefault +
           ", toolWindowId='" + toolWindowId + '\'' +
           ", bundle='" + bundle + '\'' +
           ", key='" + key + '\'' +
           ", notificationIds='" + notificationIds + '\'' +
           ", pluginDescriptor=" + pluginDescriptor +
           '}';
  }
@Override
  public String toString()