code: public NamedMethodType<SessionBeanType<T>> getOrCreateAfterBeginMethod()
     {
        Node node = childNode.getOrCreate("after-begin-method");
        NamedMethodType<SessionBeanType<T>> afterBeginMethod = new NamedMethodTypeImpl<SessionBeanType<T>>(this, "after-begin-method", childNode, node);
        return afterBeginMethod;
     }
docs: If not already created, a new <code>after-begin-method</code> element with the given value will be created.
  Otherwise, the existing <code>after-begin-method</code> element will be returned.
  @return  a new or existing instance of <code>NamedMethodType<SessionBeanType<T>></code>