code: func (c *FakePersistentVolumeClaims) Update(persistentVolumeClaim *corev1.PersistentVolumeClaim) (result *corev1.PersistentVolumeClaim, err error) {
  	obj, err := c.Fake.
  		Invokes(testing.NewUpdateAction(persistentvolumeclaimsResource, c.ns, persistentVolumeClaim), &corev1.PersistentVolumeClaim{})
  
  	if obj == nil {
  		return nil, err
  	}
  	return obj.(*corev1.PersistentVolumeClaim), err
  }
docs: // Update takes the representation of a persistentVolumeClaim and updates it. Returns the server's representation of the persistentVolumeClaim, and an error, if there is any.