@Override
    public Object parse(SourceData sourceData, int rowIndex, Context context) {
        Object arrayObj = arrayParser.parse(sourceData, rowIndex, context);
        Object elementObj = elementParser.parse(sourceData, rowIndex, context);
        if (arrayObj == null) {
            return null;
        }
        if (arrayObj instanceof ArrayList) {
            ArrayList<?> array = (ArrayList<?>) arrayObj;

            if (array.isEmpty()) {
                return null;
            }

            List<Object> result = new ArrayList<>(array.size() + 1);

            result.add(elementObj);
            result.addAll(array);
            return result;
        }
        return null;
    }
ArrayPrependFunction  ->  ARRAY_PREPEND(array, element)
description:
- Return NULL if 'array' is null;
- Return the result of appending an element to the beginning of the array.
inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/collection/ArrayPrependFunction.java