code: func NewFloatCredentialValue(f float64) *CredentialValue {
  	return &CredentialValue{
  		cvtype: floatCV,
  		value:  strconv.FormatFloat(f, 'g', -1, 64),
  		raw:    f,
  	}
  }
docs: // NewFloatCredentialValue creates a CredentialValue with a float value.