parquet-column/src/main/java/org/apache/parquet/column/values/factory/DefaultV1ValuesWriterFactory.java [103:111]:
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  private ValuesWriter getDoubleValuesWriter(ColumnDescriptor path) {
    ValuesWriter fallbackWriter = null;
    if (this.parquetProperties.isByteStreamSplitEnabled()) {
      fallbackWriter = new ByteStreamSplitValuesWriter.DoubleByteStreamSplitValuesWriter(parquetProperties.getInitialSlabSize(), parquetProperties.getPageSizeThreshold(), parquetProperties.getAllocator());
    } else {
      fallbackWriter = new PlainValuesWriter(parquetProperties.getInitialSlabSize(), parquetProperties.getPageSizeThreshold(), parquetProperties.getAllocator());
    }
    return DefaultValuesWriterFactory.dictWriterWithFallBack(path, parquetProperties, getEncodingForDictionaryPage(), getEncodingForDataPage(), fallbackWriter);
  }
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parquet-column/src/main/java/org/apache/parquet/column/values/factory/DefaultV2ValuesWriterFactory.java [107:115]:
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  private ValuesWriter getDoubleValuesWriter(ColumnDescriptor path) {
    ValuesWriter fallbackWriter = null;
    if (this.parquetProperties.isByteStreamSplitEnabled()) {
      fallbackWriter = new ByteStreamSplitValuesWriter.DoubleByteStreamSplitValuesWriter(parquetProperties.getInitialSlabSize(), parquetProperties.getPageSizeThreshold(), parquetProperties.getAllocator());
    } else {
      fallbackWriter = new PlainValuesWriter(parquetProperties.getInitialSlabSize(), parquetProperties.getPageSizeThreshold(), parquetProperties.getAllocator());
    }
    return DefaultValuesWriterFactory.dictWriterWithFallBack(path, parquetProperties, getEncodingForDictionaryPage(), getEncodingForDataPage(), fallbackWriter);
  }
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