java/tsfile/src/main/java/org/apache/tsfile/file/metadata/statistics/DoubleStatistics.java [193:201]:
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  public int serializeStats(OutputStream outputStream) throws IOException {
    int byteLen = 0;
    byteLen += ReadWriteIOUtils.write(minValue, outputStream);
    byteLen += ReadWriteIOUtils.write(maxValue, outputStream);
    byteLen += ReadWriteIOUtils.write(firstValue, outputStream);
    byteLen += ReadWriteIOUtils.write(lastValue, outputStream);
    byteLen += ReadWriteIOUtils.write(sumValue, outputStream);
    return byteLen;
  }
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java/tsfile/src/main/java/org/apache/tsfile/file/metadata/statistics/IntegerStatistics.java [182:190]:
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  public int serializeStats(OutputStream outputStream) throws IOException {
    int byteLen = 0;
    byteLen += ReadWriteIOUtils.write(minValue, outputStream);
    byteLen += ReadWriteIOUtils.write(maxValue, outputStream);
    byteLen += ReadWriteIOUtils.write(firstValue, outputStream);
    byteLen += ReadWriteIOUtils.write(lastValue, outputStream);
    byteLen += ReadWriteIOUtils.write(sumValue, outputStream);
    return byteLen;
  }
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java/tsfile/src/main/java/org/apache/tsfile/file/metadata/statistics/LongStatistics.java [191:199]:
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  public int serializeStats(OutputStream outputStream) throws IOException {
    int byteLen = 0;
    byteLen += ReadWriteIOUtils.write(minValue, outputStream);
    byteLen += ReadWriteIOUtils.write(maxValue, outputStream);
    byteLen += ReadWriteIOUtils.write(firstValue, outputStream);
    byteLen += ReadWriteIOUtils.write(lastValue, outputStream);
    byteLen += ReadWriteIOUtils.write(sumValue, outputStream);
    return byteLen;
  }
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java/tsfile/src/main/java/org/apache/tsfile/file/metadata/statistics/FloatStatistics.java [181:189]:
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  public int serializeStats(OutputStream outputStream) throws IOException {
    int byteLen = 0;
    byteLen += ReadWriteIOUtils.write(minValue, outputStream);
    byteLen += ReadWriteIOUtils.write(maxValue, outputStream);
    byteLen += ReadWriteIOUtils.write(firstValue, outputStream);
    byteLen += ReadWriteIOUtils.write(lastValue, outputStream);
    byteLen += ReadWriteIOUtils.write(sumValue, outputStream);
    return byteLen;
  }
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