CmClassPropertyRead

bool __fastcall CmClassPropertyRead(int a1){
  if( a1 > 19 )
    return a1 > 23 && (a1 == 24 || a1 > 25 && a1 <= 28);
  return a1 >= 18 || a1 >= 0 && a1 > 7 && (a1 == 8 || a1 > 12 && a1 == 13);
}

Referenced by:

CmGetInstallerClassRegPropWorker
CmSetInstallerClassRegPropWorker
PiPnpRtlCmActionCallback