response.setHeaders(headers);

        String contentType = response.getHeaderValue("Content-Type");
        String contentLength = response.getHeaderValue("content-length"); // Test case insensitive
        String missing = response.getHeaderValue("Missing-Header");

        assertEquals("application/json", contentType);
        assertEquals("100", contentLength);
        assertNull(missing);
    }

    @Throws(IOException::class)
    fun parse(responseHeaders: Headers): WebSocketExtensions {
      // Note that this code does case-insensitive comparisons, even though the spec doesn't specify
      // whether extension tokens and parameters are case-insensitive or not.

      var compressionEnabled = false
      var clientMaxWindowBits: Int? = null
      var clientNoContextTakeover = false

        assertNotNull(dataStoreFactory.getDataStore("testName"));
        assertNotNull(dataStoreFactory.getDataStore("testname")); // case insensitive
        assertNotNull(dataStoreFactory.getDataStore("TestDataStore"));
        assertNotNull(dataStoreFactory.getDataStore("testdatastore")); // case insensitive
        assertSame(dataStore, dataStoreFactory.getDataStore("testName"));

        assertNotNull(retrieved2);
        assertEquals(engine1, retrieved1);
        assertEquals(engine2, retrieved2);
        assertNotSame(retrieved1, retrieved2);
    }

    // Test register method with case insensitive name
    @Test
    public void test_register_caseInsensitive() {
        testScriptEngine.register();

        // Test various case combinations

      pattern += "."
    }
    // Hostname and pattern are now absolute domain names.

    pattern = pattern.asciiToLowercase()
    // Hostname and pattern are now in lower case -- domain names are case-insensitive.

    if ("*" !in pattern) {
      // Not a wildcard pattern -- hostname and pattern must match exactly.
      return hostname == pattern
    }

    // Wildcard pattern

        assertEquals("processed_site1", result);

        // Headers persist in same request, so subsequent headers are additive
        // Test with case insensitive matching
        request.addHeader("X-Forwarded-Host", "TEST.COM");
        result = virtualHostHelper.processVirtualHost(s -> "processed_" + s, "default");

        testData.add(createRelatedContent("Java", "Java Programming", ""));
        mockBhv.setTestData(testData);

        relatedContentHelper.load();

        // Test case insensitive matching
        String[] results = relatedContentHelper.getRelatedContents("java");
        assertEquals(1, results.length);
        assertEquals("Java Programming", results[0]);

* to wrap: NOT hüllen
* `foo` as a `type`: `foo` vom Typ `type`
* `foo` as a `type`: `foo`, ein `type`
* FastAPI's X: FastAPIs X
* Starlette's Y: Starlettes Y
* X is case-sensitive: Groß-/Klein­schrei­bung ist relevant in X
* X is case-insensitive: Groß-/Klein­schrei­bung ist nicht relevant in X
* standard Python: Standard-Python
* deprecated: deprecatet


### Other rules

  fun name(index: Int): String = commonName(index)

  /** Returns the value at `index`. */
  fun value(index: Int): String = commonValue(index)

  /** Returns an immutable case-insensitive set of header names. */
  fun names(): Set<String> {
    val result = TreeSet(String.CASE_INSENSITIVE_ORDER)
    for (i in 0 until size) {
      result.add(name(i))
    }
    return result.unmodifiable()
  }

        testData.add(createRelatedQuery("Java", new String[] { "Programming", "Tutorial" }, ""));
        mockBhv.setTestData(testData);

        relatedQueryHelper.load();

        // Test case insensitive matching
        String[] results = relatedQueryHelper.getRelatedQueries("java");
        assertEquals(2, results.length);
        assertEquals("Programming", results[0]);
        assertEquals("Tutorial", results[1]);