}
  }

  /**
   * Verifies that a collection is immutable.
   *
   * <p>A collection is considered immutable if:
   *
   * <ol>
   *   <li>All its mutation methods result in UnsupportedOperationException, and do not change the
   *       underlying contents.
   *   <li>All methods that return objects that can indirectly mutate the collection throw

        assertDoesNotThrow(() -> channelManager.establishReplacementChannel());
    }

    @Test
    void testGetChannelForTransport() {
        ChannelInfo result = channelManager.getChannelForTransport(mockTransport);
        assertNull(result); // No channels registered yet
    }

    @Test
    void testChannelManagerLifecycle() {
        // Test complete lifecycle

        when(renewable.renew()).thenReturn(returned);

        // Act: invoke renew()
        CredentialsInternal result = renewable.renew();

        // Assert: verify interaction and returned value
        verify(renewable, times(1)).renew();
        assertSame(returned, result, "renew() should return the stubbed value");

        // Negative interaction check: no further interactions with the mock

    void shouldForceSigningReturns(boolean expected) {
        when(locator.shouldForceSigning()).thenReturn(expected);

        boolean result = locator.shouldForceSigning();

        assertEquals(expected, result);
        verify(locator, times(1)).shouldForceSigning();
        verifyNoMoreInteractions(locator);
    }

    // Happy path: overlaps delegates to implementation and returns as stubbed

    @ValueSource(strings = { "192.168.0.1", "123.45.67.89", "1.2.3.4" })
    void isDotQuadIPRecognizesDotQuadIP(String ip) {
        // Arrange & Act
        boolean result = UniAddress.isDotQuadIP(ip);
        // Assert
        assertTrue(result, "isDotQuadIP should return true for dot-quad IP");
    }

    @ParameterizedTest
    @ValueSource(strings = { "192.168.0", "abcd", "192.168" })

```Python
results = await some_library()
```

O zaman *path operasyon fonksiyonunu* `async def` ile tanımlayın örneğin:

```Python hl_lines="2"
@app.get('/')
async def read_results():
    results = await some_library()
    return results
```

/// note | Not

        sh "echo run Its"
        sh "./mvnw -e -B -V install $extraArgs"
      }
    }
    finally {
      junit testResults: '**/target/test-results-surefire/*.xml', allowEmptyResults: true
    }
  }

     */
    public Set<String> getActiveResources() {
        Set<String> result = Collections.newSetFromMap(new ConcurrentHashMap<>());

        for (ResourceHolder holder : activeResources.values()) {
            if (!holder.closed && holder.isAlive()) {
                result.add(String.format("%s (%s, age: %d ms)", holder.resourceId, holder.resourceType, holder.getAge()));
            }
        }

                  @Override
                  protected Multiset<String> create(String[] elements) {
                    Multiset<String> result = TreeMultiset.create(NullsBeforeB.INSTANCE);
                    Collections.addAll(result, elements);
                    return result;
                  }

                  @Override
                  public List<String> order(List<String> insertionOrder) {

/**
 * Implementation of HappyEyeballs Sorting Addresses.
 *
 * The current implementation does not address any of:
 *  - Async DNS split by IP class
 *  - Stateful handling of connectivity results
 *  - The prioritisation of addresses
 *
 * https://datatracker.ietf.org/doc/html/rfc8305#section-4
 */
internal fun reorderForHappyEyeballs(addresses: List<InetAddress>): List<InetAddress> {
  if (addresses.size < 2) {