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