@Nullable
  public XValueMarkers<?, ?> getValueMarkers() {
    if (myValueMarkers == null) {
      XValueMarkerProvider<?, ?> provider = myDebugProcess.createValueMarkerProvider();
      if (provider != null) {
        myValueMarkers = XValueMarkers.createValueMarkers(provider);
      }
    }
    return myValueMarkers;
  }
@Nullable
  public XValueMarkers<?, ?> getValueMarkers()