val client = OkHttpClient()

    // Ensure we are compiling against the right variant
    println(AndroidPlatform.isSupported)

    val url = "https://github.com/square/okhttp".toHttpUrl()
    println(url.topPrivateDomain())

    client.newCall(Request(url)).enqueue(
      object : Callback {
        override fun onFailure(
          call: Call,
          e: IOException,
        ) {

                assertEquals(128, result.length());
            }
        } catch (Exception e) {
            // Expected for empty map without URL
        }

        // Test with null URL
        Map<String, Object> nullUrlMap = new HashMap<>();
        nullUrlMap.put("url", null);
        try {
            String result = crawlingInfoHelper.generateId(nullUrlMap);
            if (result != null) {

        public void setEncoding(String encoding) {
            this.encoding = encoding;
        }

        public String getUrl() {
            return url;
        }

        public void setUrl(String url) {
            this.url = url;
        }
    }

    private TestTransformer testTransformer;

    @Override
    protected void setUp() throws Exception {
        super.setUp();

パスパラメータではない関数パラメータを宣言すると、それらは自動的に "クエリ" パラメータとして解釈されます。

{* ../../docs_src/query_params/tutorial001.py hl[9] *}

クエリはURL内で `?` の後に続くキーとバリューの組で、 `&` で区切られています。

例えば、以下の様なURL内で:

```
http://127.0.0.1:8000/items/?skip=0&limit=10
```

...クエリパラメータは:

* `skip`: 値は `0`
* `limit`: 値は `10`

これらはURLの一部なので、「自然に」文字列になります。

しかしPythonの型を宣言すると (上記の例では `int` として)、その型に変換されバリデーションが行われます。

 * It converts Unicode domain names to ASCII Compatible Encoding (ACE) using the
 * {@link java.net.IDN} class.
 *
 * <p>This class allows setting a custom flag for the IDN conversion and a custom
 * encoding for URL decoding.</p>
 *
 * <p>Example usage:</p>
 * <pre>
 * {@code
 * IdnDnsResolver resolver = new IdnDnsResolver();
 * resolver.setFlag(IDN.ALLOW_UNASSIGNED);
 * resolver.setEncoding("UTF-8");

    long t1 = System.nanoTime();
    logger.info(String.format("Sending request %s on %s%n%s",
        request.url(), chain.connection(), request.headers()));

    Response response = chain.proceed(request);

    long t2 = System.nanoTime();
    logger.info(String.format("Received response for %s in %.1fms%n%s",
        response.request().url(), (t2 - t1) / 1e6d, response.headers()));

    return response;
  }
}
```

    SettableFuture<String> orig = SettableFuture.create();
    SettableFuture<String> prev = orig;
    for (int i = 0; i < 100000; i++) {
      SettableFuture<String> curr = SettableFuture.create();
      prev.setFuture(curr);
      prev = curr;
    }
    // prev represents the 'innermost' future
    prev.set("done");
    assertTrue(orig.isDone());
  }

Por exemplo, no modelo `Image` nós temos um campo `url`, nós podemos declara-lo como um `HttpUrl` do Pydantic invés de como uma `str`:

{* ../../docs_src/body_nested_models/tutorial005.py hl[4,10] *}

A string será verificada para se tornar uma URL válida e documentada no esquema JSON/1OpenAPI como tal.

## Atributos como listas de submodelos

### Configure Casdoor

- Go to Applications
  - Create or use an existing Casdoor application
  - Edit the application
    - Copy `Client ID` and `Client secret`
    - Add your redirect url (callback url) to `Redirect URLs`
    - Save

- Go to Users
  - Edit the user
    - Add your MinIO policy (ex: `readwrite`) in `Tag`
    - Save

	// tg[0] = local, tg[1] = remote

	// Remote URL
	url, err := xnet.ParseHTTPURL(tg.Servers[1].URL)
	if err != nil {
		t.Fatalf("unexpected error %v", err)
	}
	url.Path = t.TempDir()

	globalMinioHost, globalMinioPort = mustSplitHostPort(url.Host)
	globalNodeAuthToken, _ = authenticateNode(globalActiveCred.AccessKey, globalActiveCred.SecretKey)

	endpoint, err := NewEndpoint(url.String())
	if err != nil {