code: function coerceValue(value) {
  
      let numValue = coerceNumber(value);
  
      if (numValue === value) {
          return coerceDate(value);
      }
  
      return numValue;
  }
docs: We can not decide the type of the data coming back from the spreadsheet,
  we try to coerce it to Date or Number. If both "failes" it will leave the value unchanged.
  
  @param {*} value
  @returns {*}