Method: PULL_MONITOR
Method: MESSAGE
Method: ITEMS_SAVE_IN_EXTRACT
Method: ITEMS_REFRESH_STATUS
Method: ITEMS_SELECT_BY_STATUS
Method: PULL_MONITOR_FROM_EXTRACT
Method: CHECK_CONSISTENCY
Method: ITEMS_DELETE
Method: CONSTRUCT_MONITOR
Method: GUI_RESULT_USER_COMMAND
Method: GET_INSTANCE