20    RPMCALLBACK_UNKNOWN     = 0,
 
   21    RPMCALLBACK_INST_PROGRESS   = (1 <<  0),
 
   22    RPMCALLBACK_INST_START  = (1 <<  1),
 
   23    RPMCALLBACK_INST_OPEN_FILE  = (1 <<  2),
 
   24    RPMCALLBACK_INST_CLOSE_FILE = (1 <<  3),
 
   25    RPMCALLBACK_TRANS_PROGRESS  = (1 <<  4),
 
   26    RPMCALLBACK_TRANS_START = (1 <<  5),
 
   27    RPMCALLBACK_TRANS_STOP  = (1 <<  6),
 
   28    RPMCALLBACK_UNINST_PROGRESS = (1 <<  7),
 
   29    RPMCALLBACK_UNINST_START    = (1 <<  8),
 
   30    RPMCALLBACK_UNINST_STOP = (1 <<  9),
 
   31    RPMCALLBACK_REPACKAGE_PROGRESS = (1 << 10), 
 
   32    RPMCALLBACK_REPACKAGE_START = (1 << 11),    
 
   33    RPMCALLBACK_REPACKAGE_STOP  = (1 << 12),    
 
   34    RPMCALLBACK_UNPACK_ERROR    = (1 << 13),
 
   35    RPMCALLBACK_CPIO_ERROR  = (1 << 14),
 
   36    RPMCALLBACK_SCRIPT_ERROR    = (1 << 15),
 
   37    RPMCALLBACK_SCRIPT_START    = (1 << 16),
 
   38    RPMCALLBACK_SCRIPT_STOP = (1 << 17),
 
   39    RPMCALLBACK_INST_STOP   = (1 << 18),
 
   40    RPMCALLBACK_ELEM_PROGRESS   = (1 << 19),
 
   41    RPMCALLBACK_VERIFY_PROGRESS = (1 << 20),
 
   42    RPMCALLBACK_VERIFY_START    = (1 << 21),
 
   43    RPMCALLBACK_VERIFY_STOP = (1 << 22),