}
				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"`

	input.unmarshaled = true
	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 {