### Использование параметра `exclude_unset` в Pydantic

Если необходимо выполнить частичное обновление, то очень полезно использовать параметр `exclude_unset` в методе `.dict()` модели Pydantic.

Например, `item.dict(exclude_unset=True)`.

            subprojectName in listOf("file-watching", "snapshots", "workers", "logging", "precondition-tester")
    } else {
        true

    }

    /**
     * Compares this wrapper to another object for equality.
     * Equality is determined by the wrapped factory.
     * @param obj The object to compare.
     * @return true if equal, false otherwise.
     */
    @Override
    public boolean equals(final Object obj) {
        return factory.equals(obj);
    }

    /**
     * Returns a string representation of this wrapper.

  private strictfp double trueLog2(double d) {
    double trueLog2 = StrictMath.log(d) / StrictMath.log(2);
    // increment until it's >= the true value
    while (StrictMath.pow(2.0, trueLog2) < d) {
      trueLog2 = StrictMath.nextUp(trueLog2);
    }
    // decrement until it's <= the true value
    while (StrictMath.pow(2.0, trueLog2) > d) {
      trueLog2 = StrictMath.nextAfter(trueLog2, Double.NEGATIVE_INFINITY);
    }

    /**
     * Checks if a document exists in the OpenSearch index for the given session ID and URL.
     *
     * @param sessionId The session ID of the document.
     * @param url The URL of the document.
     * @return true if the document exists, false otherwise.
     * @throws OpenSearchAccessException if the existence check fails.
     */
    protected boolean exists(final String sessionId, final String url) {

    private static class TestShutdownListener implements JobExecutor.ShutdownListener {
        private boolean shutdownCalled = false;

        @Override
        public void onShutdown() {
            shutdownCalled = true;
        }

        public boolean wasShutdownCalled() {
            return shutdownCalled;
        }
    }

        Map<String, Object> params = new HashMap<>();
        params.put("string_param", "test_value");
        params.put("int_param", 42);
        params.put("double_param", 3.14);
        params.put("boolean_param", true);

        Map<String, String> nestedMap = new HashMap<>();
        nestedMap.put("nested_key", "nested_value");
        params.put("nested_param", nestedMap);

    // a code point that doesn't fit in a char.
    for (int i = 0; i < string.length(); i++) {
      if (string.codePointAt(i) > 0xffff) {
        return false;
      }
    }
    return true;
  }

  @SuppressWarnings("deprecation")
  public void testSimpleStringUtf8() {
    assertEquals(
        murmur3_32().hashBytes("ABCDefGHI\u0799".getBytes(UTF_8)),

        }
      };

  private static final Supplier<Lock> FAIR_LOCK_SUPPLER =
      new Supplier<Lock>() {
        @Override
        public Lock get() {
          return new ReentrantLock(true);
        }
      };

  private static final Supplier<Semaphore> SEMAPHORE_SUPPLER =
      new Supplier<Semaphore>() {
        @Override
        public Semaphore get() {
          return new Semaphore(1, false);

        }
      };

  private static final Supplier<Lock> FAIR_LOCK_SUPPLER =
      new Supplier<Lock>() {
        @Override
        public Lock get() {
          return new ReentrantLock(true);
        }
      };

  private static final Supplier<Semaphore> SEMAPHORE_SUPPLER =
      new Supplier<Semaphore>() {
        @Override
        public Semaphore get() {
          return new Semaphore(1, false);