code: func (c *statefulSets) Update(statefulSet *v1beta1.StatefulSet) (result *v1beta1.StatefulSet, err error) {
  	result = &v1beta1.StatefulSet{}
  	err = c.client.Put().
  		Namespace(c.ns).
  		Resource("statefulsets").
  		Name(statefulSet.Name).
  		Body(statefulSet).
  		Do().
  		Into(result)
  	return
  }
docs: // Update takes the representation of a statefulSet and updates it. Returns the server's representation of the statefulSet, and an error, if there is any.