public MavenProjectsStructure.ErrorLevel getChildrenErrorLevel() {
    MavenProjectsStructure.ErrorLevel result = MavenProjectsStructure.ErrorLevel.NONE;
    for (SimpleNode each : getChildren()) {
      MavenProjectsStructure.ErrorLevel eachLevel = ((MavenSimpleNode)each).getTotalErrorLevel();
      if (eachLevel.compareTo(result) > 0) result = eachLevel;
    }
    return result;
  }
public MavenProjectsStructure.ErrorLevel getChildrenErrorLevel()