docs: function parseProperty(value) {
      var retVal = {
        type: "Property",
        value: value
      };
  
      if (value === "false" || value === "true") {
        retVal.type = "Literal";
      }
      // Easy way to determine if the value is NaN or not.
      else if (Number(value) === Number(value)) {
        retVal.type = "Literal";
      }
      else if (isString.test(value)) {
        retVal.type = "Literal";
      }
  
      return retVal;
    }