presto-hive/src/main/java/io/prestosql/plugin/hive/parquet/ParquetWriterConfig.java/ParquetWriterConfig/setBlockSize
class ParquetWriterConfig:    @Config("hive.parquet.writer.block-size")
    public ParquetWriterConfig setBlockSize(DataSize blockSize)
    {
        this.blockSize = blockSize;
        return this;
    }