@Override
  public void setGroupClosed(final boolean collapsed) {
    super.setGroupClosed(collapsed);

    if (collapsed) {
      final Rectangle2D bounds = m_content.getBounds();

      setSize(bounds.getWidth(), bounds.getHeight());
    }
  }
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