exec.awaitTermination(100, MILLISECONDS);
  }

  /**
   * Tests that all listeners complete, even if they were added before or after the future was
   * finishing. Also acts as a concurrency test to make sure the locking is done correctly when a
   * future is finishing so that no listeners can be lost.
   */
  public void testAllListenersCompleteSuccessfully()
      throws InterruptedException, ExecutionException {

  }

  /**
   * Subclasses must call this method after finishing character processing, in order to ensure that
   * any unterminated line in the buffer is passed to {@link #handleLine}.
   *
   * @throws IOException if an I/O error occurs
   */
  protected void finish() throws IOException {
    if (sawReturn || line.length() > 0) {
      finishLine(false);
    }
  }

  /**

    updated = update_content(
        content_path=github_sponsors_path, new_content=github_sponsors
    )

    if not updated:
        logging.info("The data hasn't changed, finishing.")
        return

    logging.info("Setting up GitHub Actions git user")
    subprocess.run(["git", "config", "user.name", "github-actions[bot]"], check=True)
    subprocess.run(