presto-hive/src/main/java/io/prestosql/plugin/hive/parquet/ParquetPageSourceFactory.java/ParquetPageSourceFactory/ParquetPageSourceFactory
class ParquetPageSourceFactory:    @Inject
    public ParquetPageSourceFactory(TypeManager typeManager, HdfsEnvironment hdfsEnvironment, FileFormatDataSourceStats stats, ParquetReaderConfig config)
    {
        this.typeManager = requireNonNull(typeManager, "typeManager is null");
        this.hdfsEnvironment = requireNonNull(hdfsEnvironment, "hdfsEnvironment is null");
        this.stats = requireNonNull(stats, "stats is null");
        requireNonNull(config, "config is null");

        options = config.toParquetReaderOptions();
    }