* tests can suppress it with {@code FeatureSpecificTestSuiteBuilder.suppressing()} while we
   * figure out what to do with <a href="http://goo.gl/qJBruX">{@code ConcurrentHashMap} support for
   * {@code entrySet().add()}</a>.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getAddAllUnsupportedNonePresentMethod() {

   * tests can suppress it with {@code FeatureSpecificTestSuiteBuilder.suppressing()} while we
   * figure out what to do with <a href="http://goo.gl/qJBruX">{@code ConcurrentHashMap} support for
   * {@code entrySet().add()}</a>.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getAddAllUnsupportedNonePresentMethod() {

   * Returns the {@link Method} instance for {@link #testAdd_unsupportedNotPresent()} so that tests
   * can suppress it with {@code FeatureSpecificTestSuiteBuilder.suppressing()} while we figure out
   * what to do with <a href="http://goo.gl/qJBruX">{@code ConcurrentHashMap} support for {@code
   * entrySet().add()}</a>.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getAddUnsupportedNotPresentMethod() {

 *
 * [charles]: http://charlesproxy.com
 * [fiddler]: http://fiddlertool.com
 * [langley]: http://goo.gl/AIx3e5
 * [owasp]: https://www.owasp.org/index.php/Certificate_and_Public_Key_Pinning
 * [rfc_7469]: http://tools.ietf.org/html/rfc7469
 * [static_certificates]: http://goo.gl/XDh6je
 */
@Suppress("NAME_SHADOWING")
class CertificatePinner internal constructor(
  val pins: Set<Pin>,

   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated. Instead,
   * use the {@code ArrayList} {@linkplain ArrayList#ArrayList() constructor} directly, taking
   * advantage of <a href="http://goo.gl/iz2Wi">"diamond" syntax</a>.
   */
  @GwtCompatible(serializable = true)
  public static <E extends @Nullable Object> ArrayList<E> newArrayList() {
    return new ArrayList<>();
  }

  /**

# Spaces should fail
http://example\sexample.com

# This should fail
http://Goo%20\sgoo%7C|.com

# U+3000 is mapped to U+0020 (space) which is disallowed
http://GOO\u00a0\u3000goo.com

# Other types of space (no-break, zero-width, zero-width-no-break) are
# name-prepped away to nothing.
# U+200B, U+2060, and U+FEFF, are ignored
http://GOO\u200b\u2060\ufeffgoo.com  s:http p:/ h:googoo.com

   * Returns the {@link Method} instance for {@link #testAdd_unsupportedNotPresent()} so that tests
   * can suppress it with {@code FeatureSpecificTestSuiteBuilder.suppressing()} while we figure out
   * what to do with <a href="http://goo.gl/qJBruX">{@code ConcurrentHashMap} support for {@code
   * entrySet().add()}</a>.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getAddUnsupportedNotPresentMethod() {

   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated. Instead,
   * use the {@code HashSet} constructor directly, taking advantage of <a
   * href="http://goo.gl/iz2Wi">"diamond" syntax</a>.
   */
  public static <E extends @Nullable Object> HashSet<E> newHashSet() {
    return new HashSet<>();
  }

  /**

  public static final String X_FORWARDED_PROTO = "X-Forwarded-Proto";
  /**
   * The HTTP <a href="http://goo.gl/lQirAH">{@code X-Forwarded-Host}</a> header field name.
   *
   * @since 20.0
   */
  public static final String X_FORWARDED_HOST = "X-Forwarded-Host";
  /**
   * The HTTP <a href="http://goo.gl/YtV2at">{@code X-Forwarded-Port}</a> header field name.
   *
   * @since 20.0
   */

   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated. Instead,
   * use the {@code HashMap} constructor directly, taking advantage of <a
   * href="http://goo.gl/iz2Wi">"diamond" syntax</a>.
   *
   * @return a new, empty {@code HashMap}
   */
  public static <K extends @Nullable Object, V extends @Nullable Object>
      HashMap<K, V> newHashMap() {