function save(filename = throw new TypeError("Argument required")) {}

lint(ast, {
  with: () => throw new Error("avoid using 'with' statements."),
});

function getEncoder(encoding) {
  const encoder =
    encoding === "utf8"
      ? new UTF8Encoder()
      : encoding === "utf16le"
      ? new UTF16Encoder(false)
      : encoding === "utf16be"
      ? new UTF16Encoder(true)
      : throw new Error("Unsupported encoding");
}

class Product {
  get id() {
    return this._id;
  }
  set id(value) {
    this._id = value || throw new Error("Invalid value");
  }
}