code: public List<Flow> getFlowSeries(String cluster, String user, String appId,
        int limit) throws IOException {
      return getFlowSeries(cluster, user, appId, null, false, limit);
    }
docs: Returns up to {@code limit} most recent flows by application ID. This
  version will only populate job-level details not task information. To
  include task details use
  {@link JobHistoryService#getFlowSeries(String, String, String, String, boolean, int)}
  .
  
  @param cluster the cluster identifier
  @param user the user running the jobs
  @param appId the application description
  @param limit the maximum number of Flow instances to return
  @return