* versions.
   */
  public static Stats fromByteArray(byte[] byteArray) {
    checkNotNull(byteArray);
    checkArgument(
        byteArray.length == BYTES,
        "Expected Stats.BYTES = %s remaining , got %s",
        BYTES,
        byteArray.length);
    return readFrom(ByteBuffer.wrap(byteArray).order(ByteOrder.LITTLE_ENDIAN));
  }

  /**

            opLambda.callback(builder);
        }
    }

    public void setBoost_Stats() {
        setBoost_Stats(null);
    }

    public void setBoost_Stats(ConditionOptionCall<StatsAggregationBuilder> opLambda) {
        setBoost_Stats("boost", opLambda);
    }

    public void setBoost_Stats(String name, ConditionOptionCall<StatsAggregationBuilder> opLambda) {

        }
    }

    public void setCreatedTime_Stats() {
        setCreatedTime_Stats(null);
    }

    public void setCreatedTime_Stats(ConditionOptionCall<StatsAggregationBuilder> opLambda) {
        setCreatedTime_Stats("createdTime", opLambda);
    }

    public void setCreatedTime_Stats(String name, ConditionOptionCall<StatsAggregationBuilder> opLambda) {

        }
    }

    public void setCreatedTime_Stats() {
        setCreatedTime_Stats(null);
    }

    public void setCreatedTime_Stats(ConditionOptionCall<StatsAggregationBuilder> opLambda) {
        setCreatedTime_Stats("createdTime", opLambda);
    }

    public void setCreatedTime_Stats(String name, ConditionOptionCall<StatsAggregationBuilder> opLambda) {

            opLambda.callback(builder);
        }
    }

    public void setAvailable_Stats() {
        setAvailable_Stats(null);
    }

    public void setAvailable_Stats(ConditionOptionCall<StatsAggregationBuilder> opLambda) {
        setAvailable_Stats("available", opLambda);
    }

    public void setAvailable_Stats(String name, ConditionOptionCall<StatsAggregationBuilder> opLambda) {

        }
    }

    public void setCreatedTime_Stats() {
        setCreatedTime_Stats(null);
    }

    public void setCreatedTime_Stats(ConditionOptionCall<StatsAggregationBuilder> opLambda) {
        setCreatedTime_Stats("createdTime", opLambda);
    }

    public void setCreatedTime_Stats(String name, ConditionOptionCall<StatsAggregationBuilder> opLambda) {

            builder.flush();
            try (OutputStream out = builder.getOutputStream()) {
                stats = ((ByteArrayOutputStream) out).toString(Constants.UTF_8);
            }
        } catch (final Exception e) {
            appendException(buf, e).append(',');
        }
        buf.append("\"search_engine\":").append(stats).append(',');
    }

            opLambda.callback(builder);
        }
    }

    public void setEndTime_Stats() {
        setEndTime_Stats(null);
    }

    public void setEndTime_Stats(ConditionOptionCall<StatsAggregationBuilder> opLambda) {
        setEndTime_Stats("endTime", opLambda);
    }

    public void setEndTime_Stats(String name, ConditionOptionCall<StatsAggregationBuilder> opLambda) {

        }
    }

    public void setCreatedTime_Stats() {
        setCreatedTime_Stats(null);
    }

    public void setCreatedTime_Stats(ConditionOptionCall<StatsAggregationBuilder> opLambda) {
        setCreatedTime_Stats("createdTime", opLambda);
    }

    public void setCreatedTime_Stats(String name, ConditionOptionCall<StatsAggregationBuilder> opLambda) {

        }
    }

    public void setCreatedTime_Stats() {
        setCreatedTime_Stats(null);
    }

    public void setCreatedTime_Stats(ConditionOptionCall<StatsAggregationBuilder> opLambda) {
        setCreatedTime_Stats("createdTime", opLambda);
    }

    public void setCreatedTime_Stats(String name, ConditionOptionCall<StatsAggregationBuilder> opLambda) {