*
   * @throws TimeoutException if this thread does not offer a response within a reasonable amount of
   *     time
   * @throws AssertionFailedError if the given method name does not match the name of the method
   *     this thread has called most recently
   */
  private Response getResponse(String methodName) throws Exception {

  }

  /**
   * Returns an immutable sorted set containing the elements of a sorted set, sorted by the same
   * {@code Comparator}. That behavior differs from {@link #copyOf(Iterable)}, which always uses the
   * natural ordering of the elements.
   *
   * <p>Despite the method name, this method attempts to avoid actually copying the data when it is

   *
   * <p>Note, however, that although multiple locks can be created for a given Enum value, whether
   * it be through separate factory instances or through multiple calls to the same factory,
   * attempting to acquire multiple locks with the same Enum value (within the same thread) will
   * result in an IllegalStateException regardless of the factory's policy. For example:
   *
   * <pre>{@code

    assertTrue(toTest, toTest.matches(".*\\{\\}"));
  }

  @GwtIncompatible // Class names are obfuscated in GWT
  public void testToStringHelper_moreThanNineAnonymousClasses() {
    // The nth anonymous class has a name ending like "Outer.$n"
    Object unused1 = new Object() {};
    Object unused2 = new Object() {};
    Object unused3 = new Object() {};

    /**
     * Adds a name/value pair to the formatted output in {@code name=value} format.
     *
     * @since 18.0 (since 11.0 as {@code Objects.ToStringHelper.add()}).
     */
    @CanIgnoreReturnValue
    public ToStringHelper add(String name, boolean value) {
      return addUnconditionalHolder(name, String.valueOf(value));
    }

    /**
     * Adds a name/value pair to the formatted output in {@code name=value} format.
     *

  public abstract static class ListExample {

    private final String name;
    private final Modifiability modifiability;

    protected ListExample(String name, Modifiability modifiability) {
      this.name = name;
      this.modifiability = modifiability;
    }

    /** Gets the name of the example */
    public String getName() {
      return name;
    }

    /** Creates a new list with the given contents. */

   * agreement between sender and recipient of data.
   *
   * @since 8.0
   */
  public static final byte LF = 10;

  /**
   * Alternate name for {@link #LF}. ({@code LF} is preferred.)
   *
   * @since 8.0
   */
  public static final byte NL = 10;

  /**
   * Vertical Tabulation ('\v'): A format effector which controls the movement of the printing

      // Default toString() behavior - see Object.toString()
      String objectToString =
          o.getClass().getName() + '@' + Integer.toHexString(System.identityHashCode(o));
      // Logger is created inline with fixed name to avoid forcing Proguard to create another class.
      Logger.getLogger("com.google.common.base.Strings")
          .log(WARNING, "Exception during lenientFormat for " + objectToString, e);

    }

    private Alphabet(String name, char[] chars, byte[] decodabet, boolean ignoreCase) {
      this.name = checkNotNull(name);
      this.chars = checkNotNull(chars);
      try {
        this.bitsPerChar = log2(chars.length, UNNECESSARY);
      } catch (ArithmeticException e) {
        throw new IllegalArgumentException("Illegal alphabet length " + chars.length, e);
      }

  @GwtIncompatible // TODO
  @AndroidIncompatible // slow
  public void testDivNonZeroExact() {
    String runtimeName = System.getProperty("java.runtime.name");
    boolean isAndroid = runtimeName != null && runtimeName.contains("Android");
    for (BigInteger p : NONZERO_BIGINTEGER_CANDIDATES) {
      for (BigInteger q : NONZERO_BIGINTEGER_CANDIDATES) {