MQCBDO_* (MQCBD constants Callback Options)
| MQCBDO_NONE | 0 | X'00000000' |
| MQCBDO_START_CALL | 1 | X'00000001' |
| MQCBDO_STOP_CALL | 4 | X'00000004' |
| MQCBDO_REGISTER_CALL | 256 | X'00000100' |
| MQCBDO_DEREGISTER_CALL | 512 | X'00000200' |
| MQCBDO_FAIL_IF_QUIESCING | 8192 | X'00002000' |