code: function validateFixTypes(fixTypes) {
      for (const fixType of fixTypes) {
          if (!validFixTypes.has(fixType)) {
              throw new Error(`Invalid fix type "${fixType}" found.`);
          }
      }
  }
docs: ------------------------------------------------------------------------------ Helpers ------------------------------------------------------------------------------ 
  Determines if each fix type in an array is supported by ESLint and throws
  an error if not.
  @param {string[]} fixTypes An array of fix types to check.
  @returns {void}
  @throws {Error} If an invalid fix type is found.