if (http2Connection == null) return false

    // 2. The routes must share an IP address.
    if (routes == null || !routeMatchesAny(routes)) return false

    // 3. This connection's server certificates must cover the new host.
    if (address.hostnameVerifier !== OkHostnameVerifier) return false
    if (!supportsUrl(address.url)) return false

    // 4. Certificate pinning must match the host.

     */
    public static String getDefaultDomain() {
        return DEFAULT_DOMAIN;
    }

    /**
     * Returns the default workstation from the current environment.
     *
     * @return A <code>String</code> containing the default workstation.
     */
    public static String getDefaultWorkstation() {
        return DEFAULT_WORKSTATION;
    }

    public Writer append(@Nullable CharSequence csq) {
      return this;
    }

    @Override
    public Writer append(@Nullable CharSequence csq, int start, int end) {
      checkPositionIndexes(start, end, csq == null ? "null".length() : csq.length());
      return this;
    }

    @Override
    public Writer append(char c) {
      return this;
    }

    @Override
    public void flush() {}

      }

      EndpointPair<?> other = (EndpointPair<?>) obj;
      if (isOrdered() != other.isOrdered()) {
        return false;
      }

      return source().equals(other.source()) && target().equals(other.target());
    }

    @Override
    public int hashCode() {
      return Objects.hash(source(), target());
    }

    @Override
    public String toString() {

        versionNo = null;

    }

    /**
     * Returns the default current page number.
     *
     * @return The default current page number.
     */
    protected int getDefaultCurrentPageNumber() {
        return DEFAULT_CURRENT_PAGE_NUMBER;
    }

    /**
     * Returns the total number of records.
     *
     * @return The total number of records.
     */

    super(directed);
  }

  /** Returns a {@link ValueGraphBuilder} for building directed graphs. */
  public static ValueGraphBuilder<Object, Object> directed() {
    return new ValueGraphBuilder<>(true);
  }

  /** Returns a {@link ValueGraphBuilder} for building undirected graphs. */
  public static ValueGraphBuilder<Object, Object> undirected() {
    return new ValueGraphBuilder<>(false);
  }

  /**

      return result;
    }
    return new UnmodifiableIterator<T>() {
      @Override
      public boolean hasNext() {
        return iterator.hasNext();
      }

      @Override
      @ParametricNullness
      public T next() {
        return iterator.next();
      }
    };
  }

  /**
   * Simply returns its argument.
   *

        if (StringUtil.isEmpty(s1) && StringUtil.isEmpty(s2)) {
            return null;
        }
        if (!StringUtil.isEmpty(s1) && StringUtil.isEmpty(s2)) {
            return s1;
        }
        if (StringUtil.isEmpty(s1) && !StringUtil.isEmpty(s2)) {
            return s2;
        }
        return s1 + '.' + s2;
    }

     *
     * @return An array of the parameter types of the constructor
     */
    Class<?>[] getParameterTypes();

    /**
     * Returns {@literal true} if the constructor is {@literal public}.
     *
     * @return {@literal true} if the constructor is {@literal public}
     */
    boolean isPublic();

    /**

	// use mtime < t+1s instead of mtime <= t to check for unmodified.
	return !objTime.Before(givenTime.Add(1 * time.Second))
}

// canonicalizeETag returns ETag with leading and trailing double-quotes removed,
// if any present
func canonicalizeETag(etag string) string {
	return etagRegex.ReplaceAllString(etag, "$1")
}

// isETagEqual return true if the canonical representations of two ETag strings