docs: @JsonProperty
    @Deprecated
    public SeekableStreamEndSequenceNumbers<String, String> getStartPartitions()
    {
      final SeekableStreamStartSequenceNumbers<String, String> startSequenceNumbers = getStartSequenceNumbers();
      return new SeekableStreamEndSequenceNumbers<>(
          startSequenceNumbers.getStream(),
          startSequenceNumbers.getPartitionSequenceNumberMap()
      );
    }