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This class holds settings to control how a Parquet file is read by ParquetFileReader.
The ParquetArrowReaderProperties$create() factory method instantiates the object and takes the following arguments:
ParquetArrowReaderProperties$create()
use_threads Logical: whether to use multithreading (default TRUE)
use_threads
TRUE
$read_dictionary(column_index)
$set_read_dictionary(column_index, read_dict)
$use_threads(use_threads)