Для этого можно использовать функцию `jsonable_encoder`.

Она принимает объект, например, модель Pydantic, и возвращает его версию, совместимую с JSON:

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

В данном примере она преобразует Pydantic модель в `dict`, а `datetime` - в `str`.

                notifications.add(notification);
            }
        }
    }

    /**
     * Decodes a single notification from the NDR buffer.
     *
     * @param buf the NDR buffer
     * @return the decoded notification
     * @throws NdrException if decoding fails
     */
    private WitnessNotificationResponse decodeNotification(NdrBuffer buf) throws NdrException {

    }

    /**
     * Decodes a base64 encoded ID back to the original object name.
     *
     * @param id the encoded ID to decode
     * @return the decoded object name
     */
    protected static String decodeId(final String id) {
        if (id == null) {
            return StringUtil.EMPTY;
        }

            encode1pad(inData, num * 3, outData, num * 4);
        }
        return new String(outData);
    }

    /**
     * Decodes data encoded in Base64.
     *
     * @param inData
     *            The data to decode
     * @return The decoded data
     */
    public static byte[] decode(final String inData) {
        if (StringUtil.isEmpty(inData)) {
            return null;
        }

    }
  }

  /**
   * This decodes a value into its contents using a preceding member of the same SEQUENCE. For
   * example, extensions type IDs specify what types to use for the corresponding values.
   *
   * If the hint is unknown [chooser] should return null which will cause the value to be decoded as
   * an opaque byte string.
   *

        // Test that unicode strings are properly encoded/decoded
        String unicodeString = "日本語テスト";
        String encoded = BaseEncoding.base64().encode(unicodeString.getBytes(StandardCharsets.UTF_8));
        String decoded = new String(BaseEncoding.base64().decode(encoded), StandardCharsets.UTF_8);

        assertEquals(unicodeString, decoded);
    }

    public void test_special_characters_base64_encoding() {

        // Test decoding
        FileEndOfFileInformation decoded = new FileEndOfFileInformation();
        int decodedBytes = decoded.decode(buffer, 0, 8);
        assertEquals(8, decodedBytes);

        // Verify toString contains the value
        assertTrue(decoded.toString().contains(String.valueOf(endOfFile)));
    }

    /**
     * Test FileEndOfFileInformation decode with offset
     */
    @Test

            // Decode
            PreauthIntegrityNegotiateContext decoded = new PreauthIntegrityNegotiateContext();
            int decodedSize = decoded.decode(buffer, 0, encodedSize);

            // Verify
            assertEquals(encodedSize, decodedSize);
            assertArrayEquals(hashAlgos, decoded.getHashAlgos());
            assertArrayEquals(salt, decoded.getSalt());

        Encdec.enc_uint64le(currentDate.getTime(), buffer, 0);
        long decoded = Encdec.dec_uint64le(buffer, 0);

        // Then
        assertEquals(currentDate.getTime(), decoded, "Encoded and decoded time should match");
    }

    @Test
    @DisplayName("Should encode and decode UUIDs")
    void testUUIDOperations() {
        // Given

            if (encoded != null) {
                String decoded = permissionHelper.decode(encoded);
                assertNotNull("Decoded value should not be null for: " + value, decoded);
                assertEquals("Decoded value should match original: " + value + " -> " + encoded + " -> " + decoded, value, decoded);
            }
        }
    }

    public void test_encode_withLongValues() {