If the ConstraintViolation occurred while validating a value object that
originated from the server, this method will return a BaseProxy that
contains the original values.
If the ConstraintViolation occurred while validating a value object that
originated from the server, this method will return a BaseProxy that
contains the original values.
Returns:
the BaseProxy originally sent by the server or null if the
BaseProxy was created on the client.
ConstraintViolationtype by switching theirReceiverimplementations to useReceiver.onConstraintViolation(java.util.Set)instead ofReceiver.onViolation(java.util.Set).