}

  public void testToArray_threadSafe() {
    // Only for booleans, we lengthen VALUES
    boolean[] VALUES = BooleansTest.VALUES;
    VALUES = Booleans.concat(VALUES, VALUES);

    for (int delta : new int[] {+1, 0, -1}) {
      for (int i = 0; i < VALUES.length; i++) {
        List<Boolean> list = Booleans.asList(VALUES).subList(0, i);
        Collection<Boolean> misleadingSize = Helpers.misleadingSizeCollection(delta);

        });
    }

    /**
     * Creates a label/value map item for dropdowns or list displays.
     *
     * @param label the display label for the item
     * @param value the value associated with the item
     * @return a map containing the label and value entries
     */
    protected Map<String, String> createItem(final String label, final String value) {
        final Map<String, String> map = new HashMap<>(2);

  }

  private static final class NullFriendlyComparator<T> implements Comparator<T>, Serializable {
    @Override
    public int compare(T left, T right) {
      return String.valueOf(left).compareTo(String.valueOf(right));
    }
  }

    return matcher.precomputedInternal();
  }

  static <T extends Enum<T>> Optional<T> getEnumIfPresent(Class<T> enumClass, String value) {
    WeakReference<? extends Enum<?>> ref = Enums.getEnumConstants(enumClass).get(value);
    /*
     * We use `fromNullable` instead of `of` because `WeakReference.get()` has a nullable return
     * type.
     *

        assertEscaping(xmlEscaper, "'", ch);
      } else if (shouldEscapeQuotes && ch == '"') {
        assertEscaping(xmlEscaper, """, ch);
      } else {
        String input = String.valueOf(ch);
        String escaped = xmlEscaper.escape(input);
        assertEquals(
            "char 0x" + Integer.toString(ch, 16) + " should not be escaped", input, escaped);
      }
    }

        if (crudMode != expectedMode) {
            throwValidationError(messages -> {
                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(crudMode));
            }, this::asListHtml);
        }
    }

    private String getCsvEncoding() {
        return fessConfig.getCsvFileEncoding();
    }

   * @return a hash code for the value
   */
  @InlineMe(replacement = "Double.hashCode(value)")
  public static int hashCode(double value) {
    return Double.hashCode(value);
  }

  /**
   * Compares the two specified {@code double} values. The sign of the value returned is the same as
   * that of <code>((Double) a).{@linkplain Double#compareTo compareTo}(b)</code>. As with that

  }

  public void testNewIdentityHashSet() {
    Set<Integer> set = Sets.newIdentityHashSet();
    Integer value1 = new Integer(12357);
    Integer value2 = new Integer(12357);
    assertTrue(set.add(value1));
    assertFalse(set.contains(value2));
    assertTrue(set.contains(value1));
    assertTrue(set.add(value2));
    assertEquals(2, set.size());
  }

  @J2ktIncompatible
  @GwtIncompatible // CopyOnWriteArraySet

            }
        }
    }

    private static String[] splitLine(final String value) {
        if (StringUtil.isBlank(value)) {
            return StringUtil.EMPTY_STRINGS;
        }
        final String[] values = value.split("[\r\n]");
        final List<String> list = new ArrayList<>(values.length);
        for (final String line : values) {
            if (StringUtil.isNotBlank(line)) {
                list.add(line.trim());

    }

    /**
     * Creates a map item with label and value for use in dropdown lists and form options.
     *
     * @param label the display label for the item
     * @param value the value associated with the item
     * @return a map containing the label and value
     */
    protected Map<String, String> createItem(final String label, final String value) {
        final Map<String, String> map = new HashMap<>(2);