* </ul>
 *
 * <h3>Format Preservation</h3>
 * <ul>
 *   <li><strong>Whitespace Preservation</strong>: Maintains original formatting when removing elements</li>
 *   <li><strong>Comment Preservation</strong>: Preserves XML comments and processing instructions</li>

        } catch (NullPointerException e) {
            // Expected behavior when null chain is processed
            assertTrue(true);
        }
    }

    // Test chains order preservation
    @Test
    public void test_chains_orderPreservation() {
        List<TestAuthenticationChain> chains = new ArrayList<>();
        for (int i = 0; i < 5; i++) {

        ScriptEngine retrieved = scriptEngineFactory.getScriptEngine("  test  ");
        assertNotNull(retrieved);
        assertEquals(engine, retrieved);
    }

    // Test case sensitivity preservation in error messages
    @Test
    public void test_getScriptEngine_errorMessagePreservesCase() {
        try {
            scriptEngineFactory.getScriptEngine("MyNonExistentEngine");

            assertArrayEquals(secondEncoding, thirdEncoding, "Second and third encoding should be identical");

            // Verify content preservation
            assertArrayEquals(mechs, parsed2.getMechanisms());
            assertEquals(flags, parsed2.getContextFlags());
            assertArrayEquals(mechToken, parsed2.getMechanismToken());

         * a clear specification for what annotations should mean on resolved TypeVariables
         * with modified bounds, annotation methods will throw
         * UnsupportedOperationException. Frameworks requiring annotation preservation
         * should use the original TypeVariable when bounds haven't changed.
         */
        if (Types.NativeTypeVariableEquals.NATIVE_TYPE_VARIABLE_ONLY
            && Arrays.equals(bounds, resolvedBounds)) {

that material) supplement the terms of this License with terms:

    a) Disclaiming warranty or limiting liability differently from the
    terms of sections 15 and 16 of this License; or

    b) Requiring preservation of specified reasonable legal notices or
    author attributions in that material or in the Appropriate Legal
    Notices displayed by works containing it; or

   * Excel</a> spreadsheets.
   */
  public static final MediaType MICROSOFT_EXCEL = createConstant(APPLICATION_TYPE, "vnd.ms-excel");

  /**
   * <a href="https://www.loc.gov/preservation/digital/formats/fdd/fdd000379.shtml">Microsoft
   * Outlook</a> items.
   *
   * @since 27.1
   */
  public static final MediaType MICROSOFT_OUTLOOK =
      createConstant(APPLICATION_TYPE, "vnd.ms-outlook");

    return 1.0 * microsToWait / SECONDS.toMicros(1L);
  }

  /**
   * Reserves the given number of permits from this {@code RateLimiter} for future use, returning
   * the number of microseconds until the reservation can be consumed.
   *
   * @return time in microseconds to wait until the resource can be acquired, never negative
   */
  final long reserve(int permits) {
    checkPermits(permits);
    synchronized (mutex()) {