public function orOnRaw(/*# string */ $on)
    {
        return $this->on($on, ClauseInterface::NO_OPERATOR,
            ClauseInterface::NO_VALUE, true);
    }
public function orOnRaw(/*# string */ $on)
    {
        return $this->on($on, ClauseInterface::NO_OPERATOR,
            ClauseInterface::NO_VALUE, true);
    }
{@inheritDoc}