public function endGroup() {
        if ($this->groups) {
            $this->query .= ')';
            $this->dummyQuery .= ')';
            $this->groups--;
        }
        return $this;
    }
public function endGroup() {
        if ($this->groups) {
            $this->query .= ')';
            $this->dummyQuery .= ')';
            $this->groups--;
        }
        return $this;
    }
public function endGroup ( ) { if ( $ this -> groups ) { $ this -> query .= ')' ; $ this -> dummyQuery .= ')' ; $ this -> groups -- ; } return $ this ; }
End criteria grouping
@return \DBScribe\Criteria
End criteria grouping