Method: INITIALIZE_ATTRIBUTES
Method: CREATE
Method: DELETE_BASE
Method: DELETE
Method: GET_ALL_NOTIFICATIONS
Method: SET_HIDDEN_FOR_SENDER
Method: GET_ID
Method: DELETE_WITH_NOTIFICATIONS
Method: INITIALIZE
Method: SET_VISIBLE_FOR_SENDER
Method: ACCOMPLISH_DELETE
Method: CONSTRUCTOR
Method: UNREGISTER
Method: REGISTER
Method: GET
Method: IS_REGISTERED
Method: GET_ALL_NOTIFICATION_DATA
Method: GET_RECIPIENTS
Method: DELETE_WITH_BASE
Method: SELECT_NOTIFICATIONS
Method: INSERT_NOTIFICATION