///

### Pydantic v1 и v2 в одном приложении { #pydantic-v1-and-v2-on-the-same-app }

В Pydantic **не поддерживается** ситуация, когда в одной модели Pydantic v2 используются поля, определённые как модели Pydantic v1, и наоборот.

```mermaid
graph TB
    subgraph "❌ Not Supported"

  private static long fingerprint(byte[] bytes, int length) {
    return HASH_FN.hashBytes(bytes, 0, length).asLong();
  }

  /**
   * Tests that the Java port of Fingerprint2011 provides the same results on buffers up to 800
   * bytes long as the original implementation in C++. See http://cl/106539598
   */
  public void testMultipleLengths() {
    int iterations = 800;
    byte[] buf = new byte[iterations * 4];

	"unicode/utf8"
)

// Context is a set of key-value pairs that
// are associated with a generate data encryption
// key (DEK).
//
// A KMS implementation may bind the context to the
// generated DEK such that the same context must be
// provided when decrypting an encrypted DEK.
type Context map[string]string

// MarshalText returns a canonical text representation of
// the Context.

	ctx, cancel := context.WithCancel(ctx)

	target := &WebhookTarget{
		id:         event.TargetID{ID: id, Name: "webhook"},
		args:       args,
		loggerOnce: loggerOnce,
		transport:  transport,
		cancel:     cancel,
		cancelCh:   ctx.Done(),
	}

	return target, nil

    dns.assertRequests(uriHost)
    proxySelector.assertRequests() // No proxy selector requests!
  }

  /**
   * Don't call through to the proxy selector if we don't have a host name.
   * https://github.com/square/okhttp/issues/5770
   */
  @Test fun proxySelectorNotCalledForNullHost() {
    // The string '>' is okay in a hostname in HttpUrl, which does very light hostname validation.

    }

  /**
   * The maximum number of requests for each host to execute concurrently. This limits requests by
   * the URL's host name. Note that concurrent requests to a single IP address may still exceed this
   * limit: multiple hostnames may share an IP address or be routed through the same HTTP proxy.
   *
   * If more than [maxRequestsPerHost] requests are in flight when this is invoked, those requests
   * will remain in flight.
   *

	}
	if len(erep.Status) == 0 {
		erep.Status = Disabled
	}
	e.Status = erep.Status
	return nil
}

// Rule - a rule for replication configuration.
type Rule struct {
	XMLName                 xml.Name                `xml:"Rule" json:"Rule"`
	ID                      string                  `xml:"ID,omitempty" json:"ID,omitempty"`
	Status                  Status                  `xml:"Status" json:"Status"`

    assertThat(LinkedHashSet(responseHeaders.values("a"))).isEqualTo(newSet("c", "e"))
    assertThat(responseHeaders.name(0)).isEqualTo("A")
    assertThat(responseHeaders.value(0)).isEqualTo("c")
    assertThat(responseHeaders.name(1)).isEqualTo("B")
    assertThat(responseHeaders.value(1)).isEqualTo("d")
    assertThat(responseHeaders.name(2)).isEqualTo("A")
    assertThat(responseHeaders.value(2)).isEqualTo("e")
    response.body.close()
  }

        assertEquals(0, trans.maxParameterCount);
        assertEquals(0xFFFF, trans.maxDataCount);
        assertEquals(0x00, trans.maxSetupCount);
        assertEquals(2, trans.setupCount);
        assertEquals("\\PIPE\\", trans.name);
    }

    @Test
    @DisplayName("Test writeSetupWireFormat writes correct data")
    void testWriteSetupWireFormat() {
        // Arrange

        Platform.format("key %s not found in entries %s", newEntry.getKey(), expected));
  }

  /**
   * Wrapper for {@link Map#get(Object)} that forces the caller to pass in a key of the same type as
   * the map. Besides being slightly shorter than code that uses {@link #getMap()}, it also ensures
   * that callers don't pass an {@link Entry} by mistake.
   */
  protected V get(K key) {