@Override
public FilterConditionContext or(FilterConditionContext rightCondition) {
// todo [anistor] check rightCondition does not already belong to a builder
combine(false, rightCondition);
return this;
}
@Override
public FilterConditionBeginContext or() {
IncompleteCondition rightCondition = new IncompleteCondition();
combine(false, rightCondition);
return rightCondition;
}