Method: SELECT_OTYPNAT
Method: READ_OTYPNAT_ALL
Method: SELECT_OTYPNAT_BY_OTYPNA
Method: SET_OTYPNAT_INT
Method: READ_OTYPNAT_BY_OTYPNA
Method: READ_OTYPNAT
Method: DEL_OTYPNAT_INT
Method: IF_ESH_OM_CALLBACK~CHECK_DUPLICATE_TEXT_KEY