text: const NumberSigns = {}
  
  NumberSigns.AUTO = 'auto'
  NumberSigns.NEVER = 'never'
  NumberSigns.ALWAYS = 'always'
  NumberSigns.EXCEPTZERO = 'exceptZero'
  
  NumberSigns.ALL = [
    NumberSigns.AUTO,
    NumberSigns.NEVER,
    NumberSigns.ALWAYS,
    NumberSigns.EXCEPTZERO
  ]
  
  NumberSigns.isValid = (value) => NumberSigns.ALL.includes(value)
  
  export default NumberSigns