@SuppressWarnings("unchecked")
        @Override
        public Response process(Request request, Execution execution) {
            Response response = execution.process(request);
            DataList<StringData> list = ArrayDataList.create(request);
            for (String string : strings)
                list.add(new StringData(request, string));
            response.data().add(list);
            return response;
        }
A processor which adds a List of StringData items containing the strings given in the constructor to every response
container-core/src/test/java/com/yahoo/processing/test/ProcessorLibrary.java