/**
  * Returns a PropelConditionalProxy instance.
  * Allows for conditional statements in a fluid interface.
  *
  * @return PropelConditionalProxy|Criteria
  *
  * @throws PropelException
  */
 public function _else()
 {
     if (!$this->conditionalProxy) {
         throw new PropelException('_else() must be called after _if()');
     }
     return $this->conditionalProxy->_else();
 }