}

  @CollectionSize.Require(SEVERAL)
  public void testLower() {
    resetWithHole();
    assertEquals(null, navigableMap.lowerEntry(a.getKey()));
    assertEquals(null, navigableMap.lowerKey(a.getKey()));
    assertEquals(a, navigableMap.lowerEntry(b.getKey()));
    assertEquals(a.getKey(), navigableMap.lowerKey(b.getKey()));

        if (this == obj)
            return true;
        if (obj == null || getClass() != obj.getClass())
            return false;
        ChannelInfo that = (ChannelInfo) obj;
        return channelId != null ? channelId.equals(that.channelId) : that.channelId == null;
    }

    @Override
    public int hashCode() {
        return channelId != null ? channelId.hashCode() : 0;
    }

        legacySupport.setSession(mavenSession);
        InternalSession iSession = new DefaultSession(
                mavenSession,
                resolverRepositorySystem,
                null,
                null,
                new SimpleLookup(List.of(
                        new DefaultRequestCacheFactory(),
                        new DefaultRepositoryFactory(new DefaultRemoteRepositoryManager(

        transformer.init();

        final Node pruneNode = transformer.pruneNode(document.cloneNode(true), null);
        assertEquals(getXmlString(document), getXmlString(pruneNode));
        ComponentUtil.setFessConfig(null);
    }

    public void test_pruneNode_removeNoScript() throws Exception {

        response = new Smb2QueryDirectoryResponse(mockConfig, expectInfoClass);

        assertNotNull(response);
        assertNull(response.getResults()); // Should be null before decoding
    }

    @Test
    @DisplayName("Test getResults returns null initially")
    void testGetResultsInitiallyNull() {
        response = new Smb2QueryDirectoryResponse(mockConfig, (byte) 0x03);

        assertNull(response.getResults());
    }

      TesterRequirements requirements = classTesterRequirementsCache.get(testerClass);
      if (requirements == null) {
        requirements = buildTesterRequirements(testerClass);
        classTesterRequirementsCache.put(testerClass, requirements);
      }
      return requirements;
    }
  }

  /**
   * Get the full set of requirements for a tester class.
   *
   * @param testerMethod a test method of a tester class

            try {
                final StatsObject data = statsCache.getIfPresent(key);
                if (data != null && data.decrement() <= 0) {
                    statsCache.invalidate(key);
                    final Long begin = data.remove(BEGIN_KEY);
                    if (begin != null) {
                        printStats(keyObj, data, begin, true);
                    }
                }

  @Override
  public void run() {
    T result = null;
    Throwable error = null;
    if (isDone()) {
      return;
    }
    try {
      result = runInterruptibly();
    } catch (Throwable t) {
      error = t;
    }
    if (error == null) {
      // The cast is safe because of the `run` and `error` checks.

      } catch (_: InvocationTargetException) {
        null
      }
  }

  companion object {
    val Tag = "OkHttp"

    val isSupported: Boolean = isAndroid && Build.VERSION.SDK_INT in 21 until 29

    fun buildIfSupported(): Platform? = if (isSupported) AndroidPlatform() else null
  }

<div class="screenshot">
<img src="/img/tutorial/separate-openapi-schemas/image02.png">
</div>

Das bedeutet, dass es **immer einen Wert** hat, der Wert kann jedoch manchmal `None` sein (oder `null` in JSON).