public function get(string $oid): PolicyQualifierInfo
    {
        if (!$this->has($oid)) {
            throw new \LogicException("No $oid qualifier.");
        }
        return $this->_qualifiers[$oid];
    }
public function get(string $oid): PolicyQualifierInfo
    {
        if (!$this->has($oid)) {
            throw new \LogicException("No $oid qualifier.");
        }
        return $this->_qualifiers[$oid];
    }
public function get ( string $ oid ) : PolicyQualifierInfo { if ( ! $ this -> has ( $ oid ) ) { throw new \ LogicException ( "No $oid qualifier." ) ; } return $ this -> _qualifiers [ $ oid ] ; }
Get qualifier by OID.

@param string $oid
@throws \OutOfBoundsException
@return PolicyQualifierInfo
Get qualifier by OID .