{* ../../docs_src/encoder/tutorial001_py310.py hl[4,21] *}

In this example, it would convert the Pydantic model to a `dict`, and the `datetime` to a `str`.

The result of calling it is something that can be encoded with the Python standard [`json.dumps()`](https://docs.python.org/3/library/json.html#json.dumps).

   * double-duty to make sure the counting and content are consistent, particularly when it comes
   * to awkward operations like measuring the encoded length of header strings, or the
   * length-in-digits of an encoded integer.
   */
  @Throws(IOException::class)
  private fun writeOrCountBytes(
    sink: BufferedSink?,
    countBytes: Boolean,
  ): Long {
    var sink = sink

        context.setNotificationFilter(0x1F);

        // Test encoding and decoding roundtrip
        byte[] buffer = new byte[context.size()];
        int encoded = context.encode(buffer, 0);
        assertEquals(context.size(), encoded);

        DirectoryLeaseContext decodedContext = new DirectoryLeaseContext(new Smb2LeaseKey(), 0, DirectoryCacheScope.IMMEDIATE_CHILDREN);

            throw new IORuntimeException(ex);
        }
    }

    /**
     * Encodes the value of an attribute.
     *
     * @param s
     *            The attribute value.
     * @return The encoded attribute value.
     */
    public static String encodeAttrQuot(final String s) {
        if (s == null) {
            return null;
        }
        final char[] content = s.toCharArray();

      assertThat(header.constructed).isFalse()
      assertThat(header.length).isEqualTo(201)
    }

    assertThat(derReader.hasNext()).isFalse()
  }

  @Test fun `decode length encoded with leading zero byte`() {
    val buffer =
      Buffer()
        .writeByte(0b00000010)
        .writeByte(0b10000010)
        .writeByte(0b00000000)
        .writeByte(0b01111111)

     * @param s
     *            The string to be converted. Must not be {@literal null} or empty.
     * @param enc
     *            The encoding scheme. Must not be {@literal null} or empty.
     * @return The string encoded in <code>application/x-www-form-urlencoded</code> format.
     */
    public static String encode(final String s, final String enc) {
        assertArgumentNotEmpty("s", s);
        assertArgumentNotEmpty("enc", enc);

    public Smb2RdmaTransformCapabilitiesContext() {
    }

    @Override
    public int getContextType() {
        return CONTEXT_ID;
    }

    /**
     * Get the context data
     *
     * @return encoded context data
     */
    public byte[] getData() {
        // Encode the context data
        byte[] data = new byte[20]; // 2 + 2 + 4 + 4 + 4 + 4

        int idx = 0;

            """
        ),
    ] = True,
) -> Any:
    """
    Convert any object to something that can be encoded in JSON.

    This is used internally by FastAPI to make sure anything you return can be
    encoded as JSON before it is sent to the client.

    You can also use it yourself, for example to convert objects before saving them
    in a database that supports only JSON.

     * Only encodes characters that are not considered URL-safe according to CharUtil.
     *
     * @param url the URL to encode
     * @return the encoded URL with non-URL-safe characters properly encoded
     */
    public static String encodeUrl(final String url) {
        final String enc = LaRequestUtil.getOptionalRequest()
                .filter(req -> req.getCharacterEncoding() != null)

                .build(),
            ).post(query.toRequestBody(DNS_MESSAGE))
        } else {
          val encoded = query.base64Url().replace("=", "")
          val requestUrl = dnsUrl.newBuilder().addQueryParameter("dns", encoded).build()

          url(requestUrl)
        }
      }.build()

  class Builder {
    internal var client: OkHttpClient? = null