* invalid or in error.
   *
   * @since 8.0
   */
  public static final byte SUB = 26;

  /**
   * Escape: A control character intended to provide code extension (supplementary characters) in
   * general information interchange. The Escape character itself is a prefix affecting the
   * interpretation of a limited number of contiguously following characters.
   *
   * @since 8.0
   */
  public static final byte ESC = 27;

 * largely defined by its supertype.
 *
 * <p>For field types and method return types, you should generally use the immutable type (such as
 * {@link ImmutableList}) instead of the general collection interface type (such as {@link List}).
 * This communicates to your callers all of the semantic guarantees listed above, which is almost
 * always very useful information.
 *

   *
   * {@snippet :
   * static final Multimap<String, Integer> STRING_TO_INTEGER_MULTIMAP =
   *     new ImmutableListMultimap.Builder<String, Integer>()
   *         .put("one", 1)
   *         .putAll("several", 1, 2, 3)
   *         .putAll("many", 1, 2, 3, 4, 5)
   *         .build();
   * }
   *
   * <p>Builder instances can be reused; it is safe to call {@link #build} multiple times to build

### Renovação de Certificados { #certificate-renewal }

Em algum momento futuro, cada certificado irá expirar (aproximadamente 3 meses após a aquisição).

                CollectionFeature.ALLOWS_NULL_VALUES,
                CollectionFeature.GENERAL_PURPOSE,
                CollectionFeature.KNOWN_ORDER,
                CollectionSize.ONE,
                CollectionSize.SEVERAL)
            .createTestSuite());
    suite.addTestSuite(TreeMultimapNaturalTest.class);
    return suite;
  }

  protected SetMultimap<String, Integer> create() {
    return TreeMultimap.create();
  }

 * 2^32 + x}). The methods for which signedness is not an issue are in {@link Ints}, as well as
 * signed versions of methods for which signedness is an issue.
 *
 * <p>In addition, this class provides several static methods for converting an {@code int} to a
 * {@code String} and a {@code String} to an {@code int} that treat the {@code int} as an unsigned
 * number.
 *

import java.util.Iterator;
import java.util.List;
import org.jspecify.annotations.Nullable;

/**
 * Provides static methods for working with {@code Collection} instances.
 *
 * <p><b>Java 8+ users:</b> several common uses for this class are now more comprehensively
 * addressed by the new {@link java.util.stream.Stream} library. Read the method documentation below

 * largely defined by its supertype.
 *
 * <p>For field types and method return types, you should generally use the immutable type (such as
 * {@link ImmutableList}) instead of the general collection interface type (such as {@link List}).
 * This communicates to your callers all of the semantic guarantees listed above, which is almost
 * always very useful information.
 *

<img src="/img/deployment/https/https08.drawio.svg">

这样，TLS 终止代理就可以为多个应用程序处理**多个域名**的 HTTPS 和证书，然后在每种情况下将请求传输到正确的应用程序。

### 证书更新 { #certificate-renewal }

在未来的某个时候，每个证书都会**过期**（大约在获得证书后 3 个月）。

然后，会有另一个程序（在某些情况下是另一个程序，在某些情况下可能是同一个 TLS 终止代理）与 Let's Encrypt 通信并更新证书。

<img src="/img/deployment/https/https.drawio.svg">

**TLS 证书** **与域名相关联**，而不是与 IP 地址相关联。

// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//