{
decimal!: StrictConvertDecimal,
integer!: StrictConvertInteger,
date!: StrictConvertDate,
datetime!: StrictConvertDatetime,
symbol!: StrictConvertSymbol,
downcase!: StrictConvertDowncase,
upcase!: StrictConvertUpcase,
strip!: StrictConvertStrip,
boolean!: StrictConvertBoolean,
decimal: ConvertDecimal,
decimal_or_zero: ConvertDecimalOrZero,
integer: ConvertInteger,
integer_or_zero: ConvertIntegerOrZero,
date: ConvertDate,
datetime: ConvertDatetime,
symbol: ConvertSymbol,
downcase: ConvertDowncase,
upcase: ConvertUpcase,
strip: ConvertStrip,
boolean: ConvertBoolean,
md5: ConvertMD5,
hex: ConvertHex,
nil: ConvertNil,
blank: ConvertBlank,
header_column: ConvertHeaderColumn,
method_name: ConvertHeaderColumn,
}.freeze