in pipelines/clickstream_analytics_java/src/main/java/com/google/cloud/dataflow/solutions/clickstream_analytics/JsonToTableRows.java [50:54]
public PCollectionTuple expand(PCollection<String> jsonStrings) {
return jsonStrings.apply(
ParDo.of(new ToJsonDoFn())
.withOutputTags(SUCCESS_TAG, TupleTagList.of(FAILURE_TAG)));
}