@Override public AdhocGroup clone() { AdhocGroup clone; try { clone = (AdhocGroup) super.clone(); } catch (CloneNotSupportedException e) { throw new RuntimeException(e); } if (style != null) { clone.style = style.clone(); } if (titleStyle != null) { clone.titleStyle = titleStyle.clone(); } if (properties != null) { clone.properties = properties.clone(); } return clone; }