}

  /*
   * TODO(user): FutureChecker interface for these to be static methods on? If so, refer to it in
   * the (static-method) Futures.getChecked documentation
   */

  private static boolean hasConstructorUsableByGetChecked(
      Class<? extends Exception> exceptionClass) {
    try {
      Exception unused = newWithCause(exceptionClass, new Exception());
      return true;

  }

  /*
   * TODO(user): FutureChecker interface for these to be static methods on? If so, refer to it in
   * the (static-method) Futures.getChecked documentation
   */

  private static boolean hasConstructorUsableByGetChecked(
      Class<? extends Exception> exceptionClass) {
    try {
      Exception unused = newWithCause(exceptionClass, new Exception());
      return true;