@Override
    public List<FunctionParam> getParams() {
        List<FunctionParam> params = Arrays.asList(logicOperator, source, compareOperator);
        params.addAll(targets);
        return params;
    }
filter for filtering out data with multi-values
inlong-sort/sort-common/src/main/java/org/apache/inlong/sort/protocol/transformation/function/MultiValueFilterFunction.java