this.map = map;
  }

  @Override
  public int size() {
    return map.size();
  }

  @Override
  public UnmodifiableIterator<K> iterator() {
    return map.keyIterator();
  }

  @Override
  public boolean contains(@Nullable Object object) {
    return map.containsKey(object);
  }

  @Override
  K get(int index) {
    return map.entrySet().asList().get(index).getKey();
  }

  @Override

   * collection.
   */
  @SuppressWarnings("CanIgnoreReturnValueSuggester")
  @Override
  public List<String> order(List<String> insertionOrder) {
    sort(insertionOrder);
    return insertionOrder;
  }

  @Override
  public String belowSamplesLesser() {
    return "!! a";
  }

  @Override
  public String belowSamplesGreater() {

# Custom Response - HTML, Stream, File, others { #custom-response-html-stream-file-others }

By default, **FastAPI** will return the responses using `JSONResponse`.

You can override it by returning a `Response` directly as seen in [Return a Response directly](response-directly.md){.internal-link target=_blank}.

      if (upper == POSITIVE_INFINITY) {
        // Return NaN when lower == NEGATIVE_INFINITY and upper == POSITIVE_INFINITY:
        return NaN;
      }
      // Return NEGATIVE_INFINITY when NEGATIVE_INFINITY == lower <= upper < POSITIVE_INFINITY:
      return NEGATIVE_INFINITY;
    }
    if (upper == POSITIVE_INFINITY) {
      // Return POSITIVE_INFINITY when NEGATIVE_INFINITY < lower <= upper == POSITIVE_INFINITY:

            result += scope.hashCode();
        }
        return result;
    }

    @Override
    public boolean equals(final Object obj) {
        Name n;

        if (!(obj instanceof Name)) {
            return false;
        }
        n = (Name) obj;
        if (scope == null && n.scope == null) {
            return name.equals(n.name) && hexCode == n.hexCode;
        }

    //                                                                      ==============

    /**
     * Retrieves system information including bug report, environment, Fess properties, and system properties.
     *
     * @return JSON response containing system information
     */
    // GET /api/admin/systeminfo
    @Execute
    public JsonResponse<ApiResult> get$index() {
        final List<Map<String, String>> bugReportItems = getBugReportItems();

     * @return The script engine.
     */
    public ScriptEngine getScriptEngine(final String name) {
        if (name == null) {
            throw new ScriptEngineException("script name is null.");
        }
        final ScriptEngine scriptEngine = scriptEngineMap.get(name.toLowerCase(Locale.ROOT));
        if (scriptEngine != null) {
            return scriptEngine;
        }

  @SuppressSignatureCheck
  override fun clean(
    chain: List<Certificate>,
    hostname: String,
  ): List<Certificate> {
    val certificates = (chain as List<X509Certificate>).toTypedArray()
    try {
      return x509TrustManagerExtensions.checkServerTrusted(certificates, "RSA", hostname)
    } catch (ce: CertificateException) {
      throw SSLPeerUnverifiedException(ce.message).apply { initCause(ce) }
    }
  }

  public void testOffer_supportedNotPresent() {
    assertTrue("offer(notPresent) should return true", getQueue().offer(e3()));
    expectAdded(e3());
  }

  @CollectionFeature.Require({SUPPORTS_ADD, ALLOWS_NULL_VALUES})
  public void testOffer_nullSupported() {
    assertTrue("offer(null) should return true", getQueue().offer(null));
    expectAdded((E) null);
  }

        // Should return empty array when plugin directory doesn't exist
        assertEquals(0, pluginFiles.length);
    }

    public void test_getPluginJarFiles_withFilter() {
        FilenameFilter filter = (dir, name) -> name.endsWith(".jar");
        File[] pluginFiles = ResourceUtil.getPluginJarFiles(filter);
        assertNotNull(pluginFiles);
        // Should return empty array when plugin directory doesn't exist