* #entriesDiffering()} of the two instances are equal.
   */
  @Override
  boolean equals(@Nullable Object object);

  /**
   * Returns the hash code for this instance. This is defined as the hash code of
   *
   * {@snippet :
   * Arrays.asList(entriesOnlyOnLeft(), entriesOnlyOnRight(),
   *     entriesInCommon(), entriesDiffering())
   * }
   */
  @Override
  int hashCode();

  /**

# Parámetros de Header

Puedes definir los parámetros de Header de la misma manera que defines los parámetros de `Query`, `Path` y `Cookie`.

## Importar `Header`

Primero importa `Header`:

{* ../../docs_src/header_params/tutorial001_an_py310.py hl[3] *}

## Declarar parámetros de `Header`

Luego declara los parámetros de header usando la misma estructura que con `Path`, `Query` y `Cookie`.

        StackTraceElement[] stackTrace = exception.getStackTrace();
        assertEquals(0, stackTrace.length);
    }

    public void test_serialVersionUID() {
        // Test that serialVersionUID is correctly defined
        UserRoleLoginException exception = new UserRoleLoginException(RootAction.class);
        // Verify exception is serializable
        assertTrue(exception instanceof java.io.Serializable);
    }

# Parâmetros de Cabeçalho

Você pode definir parâmetros de Cabeçalho da mesma maneira que define paramêtros com `Query`, `Path` e `Cookie`.

## importe `Header`

Primeiro importe `Header`:

{* ../../docs_src/header_params/tutorial001_py310.py hl[1] *}

## Declare parâmetros de `Header`

Então declare os paramêtros de cabeçalho usando a mesma estrutura que em `Path`, `Query` e `Cookie`.

    }

    /**
     * Shorthand for {@link Lookup}.
     */
    default Lookup lookup() {
        return parserRequest().lookup();
    }

    /**
     * Returns a map of user-defined properties for the Maven execution.
     * These properties can be set using the -D command-line option.
     *
     * @return an unmodifiable map of user properties
     */
    @Nonnull

 * specified the JVM flag {@code -XX:+DisableExplicitGC}. But in practice, it works very well for
 * ordinary tests.
 *
 * <p>Failure of the expected event to occur within an implementation-defined "reasonable" time
 * period or an interrupt while waiting for the expected event will result in a {@link
 * RuntimeException}.
 *
 * <p>Here's an example that tests a {@code finalize} method:
 *
 * {@snippet :

    } catch (AssertionFailedError expected) {
      return;
    }
    fail("Should have failed");
  }

  /** An interface for the 2 ways that a chaining call might be defined. */
  private interface ChainingCalls {
    // A method that is defined to 'return this'
    @CanIgnoreReturnValue
    ChainingCalls chainingCall();

    // A method that just happens to return a ChainingCalls object

    }
    return registrySuffixIndexLocal;
  }

  /**
   * Returns the index of the leftmost part of the suffix, or -1 if not found. Note that the value
   * defined as a suffix may not produce {@code true} results from {@link #isPublicSuffix()} or
   * {@link #isRegistrySuffix()} if the domain ends with an excluded domain pattern such as {@code
   * "nhs.uk"}.
   *

  @MapFeature.Require(absent = SUPPORTS_REMOVE)
  public void testClearUnsupported() {
    assertThrows(UnsupportedOperationException.class, () -> multimap().clear());
  }

  // Empty multimaps *do* have defined equals semantics.
  @SuppressWarnings("UndefinedEquals")
  private void assertCleared() {
    assertEquals(0, multimap().size());
    assertEmpty(multimap());
    assertEquals(multimap(), getSubjectGenerator().create());

    assertThrows(
        UnsupportedOperationException.class,
        () -> multimap().putAll(getSubjectGenerator().create(mapEntry(k3(), v3()))));
  }

  @MapFeature.Require(SUPPORTS_PUT)
  // Empty multimaps *do* have defined equals semantics.
  @SuppressWarnings("UndefinedEquals")
  public void testPutAllIntoEmpty() {
    Multimap<K, V> target = getSubjectGenerator().create();
    assertEquals(!multimap().isEmpty(), target.putAll(multimap()));