@Override
  public void setLocation(final double x, final double y) {
    super.setLocation(x, y);

    notifyLocationChanged(x, y);
  }
Returns the user data associated with the realizer.

@return The user data associated with the realizer.
java/zylib/src/main/java/com/google/security/zynamics/zylib/yfileswrap/gui/zygraph/realizers/ZyGroupNodeRealizer.java