@Override
  public String resolveStartpointToOffset(SystemStreamPartition systemStreamPartition, Startpoint startpoint) {
    return startpoint.apply(systemStreamPartition, kafkaStartpointToOffsetResolver);
  }
Fetch stream properties for all intermediate streams.

@param config kafka system config
@return a {@link Map} from {@code streamId} to stream {@link Properties}
samza-kafka/src/main/java/org/apache/samza/system/kafka/KafkaSystemAdmin.java