public Set<SystemStream> getBroadcastSystemStreams() {
    Set<SystemStream> broadcastSS = new HashSet<>();
    Set<SystemStreamPartition> broadcastSSPs = getBroadcastSystemStreamPartitions();
    for (SystemStreamPartition bssp : broadcastSSPs) {
      broadcastSS.add(bssp.getSystemStream());
    }
    return Collections.unmodifiableSet(broadcastSS);
  }
Get the SystemStreams for the configured broadcast streams.

@return the set of SystemStreams for which there are broadcast stream SSPs configured.
samza-core/src/main/java/org/apache/samza/config/TaskConfig.java