{
BindingProperty prop = props.createBinding("stackTraces");
prop.addDefinedValue(prop.getRootCondition(), "false");
prop.addDefinedValue(prop.getRootCondition(), "true");
ConditionAny cond = new ConditionAny();
cond.getConditions().add(new ConditionWhenPropertyIs("user.agent", "moz"));
cond.getConditions().add(
new ConditionWhenPropertyIs("user.agent", "opera"));
prop.setValues(cond, "false");
}