text: "use strict";
  
  const enumerationValues = new Set(["open", "closed"]);
  module.exports = {
    enumerationValues,
    convert(value, { context = "The provided value" } = {}) {
      const string = `${value}`;
      if (!enumerationValues.has(value)) {
        throw new TypeError(`${context} '${value}' is not a valid enumeration value for ShadowRootMode`);
      }
      return string;
    }
  };
  