@Override
  public void readExternal(@NotNull Element breakpointNode) throws InvalidDataException {
    super.readExternal(breakpointNode);
    //final String url = breakpointNode.getAttributeValue("url");

    final String className = breakpointNode.getAttributeValue("class");
    if (className != null) {
      myClassName = className;
    }

    final String packageName = breakpointNode.getAttributeValue("package");
    if (packageName != null) {
      myPackageName = packageName;
    }
  }
@Override
  public void readExternal(@NotNull Element breakpointNode)