'NOT LIKE' => E::ts('Not Like'),
'BETWEEN' => E::ts('Is Between'),
'NOT BETWEEN' => E::ts('Not Between'),
- 'IS NULL' => E::ts('Is Null'),
- 'IS NOT NULL' => E::ts('Not Null'),
+ 'IS EMPTY' => E::ts('Is Empty'),
+ 'IS NOT EMPTY' => E::ts('Not Empty'),
];
}