/**
     * Creates a new source backed by the specified URL.
     *
     * @param url The file, must not be {@code null}.
     */
    public UrlSource(URL url) {
        this.url = Objects.requireNonNull(url, "url cannot be null");
        this.hashCode = Objects.hashCode(url);
    }

    @Override
    public InputStream getInputStream() throws IOException {
        return url.openStream();
    }

    @Override

    @Override
    public void run() {
        final Thread run_thread = Thread.currentThread();
        Exception ex0 = null;

        try {
            /* We cannot synchronize (run_thread) here or the caller's
             * thread.wait( timeout ) cannot reaquire the lock and
             * return which would render the timeout effectively useless.
             */
            doConnect();
        } catch (final Exception ex) {

   *     method is called.
   */
  @CanIgnoreReturnValue
  public ServiceManager startAsync() {
    for (Service service : services) {
      checkState(service.state() == NEW, "Not all services are NEW, cannot start %s", this);
    }
    for (Service service : services) {
      try {
        state.tryStartTiming(service);
        service.startAsync();
      } catch (IllegalStateException e) {

  }

  private Absent() {}

  @Override
  public boolean isPresent() {
    return false;
  }

  @Override
  public T get() {
    throw new IllegalStateException("Optional.get() cannot be called on an absent value");
  }

  @Override
  public T or(T defaultValue) {
    return checkNotNull(defaultValue, "use Optional.orNull() instead of Optional.or(null)");
  }

		User:     accessKey,
	})
	if err != nil {
		c.Fatalf("unable to attach policy: %v", err)
	}
	// 2.3 check user has access to bucket
	c.mustListObjects(ctx, uClient, bucket)
	// 2.3 check that user cannot delete the bucket
	err = uClient.RemoveBucket(ctx, bucket)
	if err == nil || err.Error() != "Access Denied." {
		c.Fatalf("bucket was deleted unexpectedly or got unexpected err: %v", err)
	}

                            log.debug("Cannot reuse, signing enforced on connection " + conn);
                        }
                        continue;
                    }

                    if (!conn.getNegotiateResponse().canReuse(tc, forceSigning)) {
                        if (log.isTraceEnabled()) {
                            log.trace("Cannot reuse, different config " + conn);
                        }

        }
    }

    /**
     * Unregisters a scheduled job from the job manager.
     *
     * @param scheduledJob the scheduled job to unregister
     * @throws ScheduledJobException if the job cannot be unregistered
     */
    public void unregister(final ScheduledJob scheduledJob) {
        try {
            final JobManager jobManager = ComponentUtil.getJobManager();

    public void test_main_invalidArguments() {
        // Cannot directly test main as it calls System.exit
        // Test argument parsing instead
        SuggestCreator.Options options = new SuggestCreator.Options();
        assertNotNull(options);
    }

    // Test main method with valid arguments
    public void test_main_validArguments() {
        // Cannot directly test main as it calls System.exit

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Because **FastAPI** doesn't make any changes to a `Response` you return, you have to make sure its contents are ready for it.

For example, you cannot put a Pydantic model in a `JSONResponse` without first converting it to a `dict` with all the data types (like `datetime`, `UUID`, etc) converted to JSON-compatible types.