<CompressionType>NONE</CompressionType>
        <JSON>
            <Type>DOCUMENT</Type>
        </JSON>
    </InputSerialization>
    <OutputSerialization>
        <CSV>
	   <QuoteCharacter>"</QuoteCharacter>
        </CSV>
    </OutputSerialization>
    <RequestProgress>
        <Enabled>FALSE</Enabled>
    </RequestProgress>
</SelectObjectContentRequest>`),

	return &s3Error{
		code:       "ObjectSerializationConflict",
		message:    "InputSerialization specifies more than one format (CSV, JSON, or Parquet), or OutputSerialization specifies more than one format (CSV or JSON). InputSerialization and OutputSerialization can only specify one format each.",
		statusCode: 400,
		cause:      err,
	}
}

func errInvalidExpressionType(err error) *s3Error {
	return &s3Error{

	return nil
}

// OutputSerialization - represents elements inside <OutputSerialization/> in request XML.
type OutputSerialization struct {
	CSVArgs     csv.WriterArgs  `xml:"CSV"`
	JSONArgs    json.WriterArgs `xml:"JSON"`
	unmarshaled bool
	format      string
}

// IsEmpty - returns whether output serialization is empty or not.
func (output *OutputSerialization) IsEmpty() bool {
	return !output.unmarshaled

	}

	*args = ReaderArgs(parsedArgs)
	args.unmarshaled = true
	return nil
}

// WriterArgs - represents elements inside <OutputSerialization><JSON/> in request XML.
type WriterArgs struct {
	RecordDelimiter string `xml:"RecordDelimiter"`
	unmarshaled     bool
}

// IsEmpty - returns whether writer args is empty or not.

    <InputSerialization>
        <CompressionType>NONE</CompressionType>
        <CSV>
            <FileHeaderInfo>USE</FileHeaderInfo>
        </CSV>
    </InputSerialization>
    <OutputSerialization>
        <CSV>
        </CSV>
    </OutputSerialization>
    <RequestProgress>
        <Enabled>FALSE</Enabled>
    </RequestProgress>
</SelectObjectContentRequest>
`)

	csvData := genSampleCSVData(count)

	b.ResetTimer()

    InputSerialization={
        'CSV': {
            "FileHeaderInfo": "USE",
        },
        'CompressionType': 'GZIP',
    },
    OutputSerialization={'CSV': {}},
)

for event in r['Payload']:
    if 'Records' in event:
        records = event['Records']['Payload'].decode('utf-8')
        print(records)
    elif 'Stats' in event:

				default:
					return errors.New("unrecognized option")
				}
			}
		}
	}

	args.unmarshaled = true
	return nil
}

// WriterArgs - represents elements inside <OutputSerialization><CSV/> in request XML.
type WriterArgs struct {
	QuoteFields          string `xml:"QuoteFields"`
	RecordDelimiter      string `xml:"RecordDelimiter"`
	FieldDelimiter       string `xml:"FieldDelimiter"`

    InputSerialization={
        'CSV': {
            "FileHeaderInfo": "USE",
        },
        'CompressionType': 'GZIP',
    },
    OutputSerialization={'CSV': {}},
)

for event in r['Payload']:
    if 'Records' in event:
        records = event['Records']['Payload'].decode('utf-8')
        print(records)
    elif 'Stats' in event: