code: public List<Flow> getFlowsForStatus(String cluster, Flow.Status status,
        int limit) throws IOException {
      return getFlowsForStatus(cluster, status, limit, null, null);
    }
docs: Returns the flows currently listed in the given {@link Flow.Status}
  @param cluster The cluster where flows have run
  @param status The flows' status
  @param limit Return up to this many Flow instances
  @return a list of up to {@code limit} Flows
  @throws IOException in the case of an error retrieving the data