_SetJobsSolverMode
_SetJobsSolverMode(SOLVER_INSTALL);
_SetJobsSolverMode(SOLVER_ERASE);
_SetJobsSolverMode(SOLVER_UPDATE);
_SetJobsSolverMode(SOLVER_DISTUPGRADE);
_SetJobsSolverMode(SOLVER_VERIFY);
void _SetJobsSolverMode(int solverMode);