{
  "created_by": "Polars",
  "key_value_metadata": [
    {
      "key": "ARROW:schema",
      "value": "/////3YAAAAEAAAA8v///xQAAAAEAAEAAAAKAAsACAAKAAQA+P///wwAAAAIAAgAAAAEAAEAAAAEAAAA7P///ywAAAAgAAAAGAAAAAEGAAAQABIABAAQABEACAAAAAwAAAAAAPz///8EAAQADQAAAEJvb2xlYW5Db2x1bW4A"
    }
  ],
  "metadata_length": 308,
  "num_rows": 15,
  "row_groups": [
    {
      "columns": [
        {
          "column_index_length": 17,
          "column_index_offset": 89,
          "file_offset": 47,
          "meta_data": {
            "codec": "SNAPPY",
            "data_page_offset": 4,
            "encodings": [
              "RLE"
            ],
            "num_values": 15,
            "path_in_schema": [
              "BooleanColumn"
            ],
            "statistics": {
              "max_value": true,
              "min_value": false,
              "null_count": 5
            },
            "total_compressed_size": 43,
            "total_uncompressed_size": 41,
            "type": "BOOLEAN"
          },
          "offset_index_length": 10,
          "offset_index_offset": 106
        }
      ],
      "file_offset": 4,
      "num_rows": 15,
      "ordinal": 0,
      "total_byte_size": 41,
      "total_compressed_size": 43
    }
  ],
  "schema": [
    {
      "name": "root",
      "num_children": 1
    },
    {
      "name": "BooleanColumn",
      "repetition_type": "OPTIONAL",
      "type": "BOOLEAN"
    }
  ],
  "version": 1
}