code: public List<SecurityConstraintType<WebFragmentType<T>>> getAllSecurityConstraint()
     {
        List<SecurityConstraintType<WebFragmentType<T>>> list = new ArrayList<SecurityConstraintType<WebFragmentType<T>>>();
        List<Node> nodeList = childNode.get("security-constraint");
        for(Node node: nodeList)
        {
           SecurityConstraintType<WebFragmentType<T>>  type = new SecurityConstraintTypeImpl<WebFragmentType<T>>(this, "security-constraint", childNode, node);
           list.add(type);
        }
        return list;
     }
docs: Returns all <code>security-constraint</code> elements
  @return list of <code>security-constraint</code>