void setVarTunable(VarType vartype, TunableParam param, TunableDesc *descriptor, uint value);
void setVarTunable(VarType vartype1, VarType vartype2, TunableParam param, TunableDesc *descriptor, uint value);
SearchTuner *copyUsed();
void setVarTunable(VarType vartype, TunableParam param, TunableDesc *descriptor, uint value);
void setVarTunable(VarType vartype1, VarType vartype2, TunableParam param, TunableDesc *descriptor, uint value);
SearchTuner *copyUsed();