*/
    public static String formatForUrl(final String address) {
        if (address == null) {
            return null;
        }
        if (isIPv6Address(address)) {
            // If already has brackets, return as-is
            if (address.startsWith("[") && address.endsWith("]")) {
                return address;
            }
            // Add brackets for IPv6
            return "[" + address + "]";

 * to delete the previous snapshots, and that won't succeed if the file is open. (We do permit
 * multiple simultaneous reads.)
 *
 * @param file a file in the directory to check. This file shouldn't already exist!
 */
internal fun FileSystem.isCivilized(file: Path): Boolean {
  sink(file).use {
    try {
      delete(file)
      return true
    } catch (_: IOException) {
    }
  }
  delete(file)

    @DisplayName("isSignatureSetupRequired depends on digest and negotiate flags")
    void testIsSignatureSetupRequired() throws Exception {
        SmbSessionImpl session = newSession();

        // Case 1: digest already set -> false
        SMBSigningDigest dg = mock(SMBSigningDigest.class);
        setField(session, "digest", dg);
        assertFalse(session.isSignatureSetupRequired());

To serve this configuration the server needs to provide its clients with a chain of certificates
starting with its own and including everything up-to but not including the root. We don't need to
include root certificates because the client already has them.

```java
HandshakeCertificates serverHandshakeCertificates = new HandshakeCertificates.Builder()
    .heldCertificate(serverCertificate, intermediateCertificate.certificate())
    .build();
```

        } catch (Throwable t) {
          // don't let refresh exceptions propagate; error was already logged
        }
      }
      return null;
    }

    /**
     * Returns a newly inserted {@code LoadingValueReference}, or null if the live value reference
     * is already loading.
     */
    @Nullable LoadingValueReference<K, V> insertLoadingValueReference(

    public void delete(final String sessionId) {
        deleteBySessionId(sessionId);
    }

    /**
     * Offers multiple URL queue entries for the specified session.
     * Only URLs that don't already exist will be added.
     *
     * @param sessionId The session ID.
     * @param urlQueueList The list of URL queue entries to offer.
     */
    @Override

        CIFSContext ctx = mock(CIFSContext.class);
        SIDCacheImpl cache = Mockito.spy(new SIDCacheImpl(ctx));

        // Prepare SIDs, two need resolution, one already resolved
        SID s1 = sid("S-1-5-21-10-11-12-1001");
        SID s2 = sid("S-1-5-21-10-11-12-1002");
        SID s3 = sid("S-1-5-21-10-11-12-1003");
        jcifs.SID[] arr = new jcifs.SID[] { s1, s2, s3 };

   */
  @Override
  int hashCode();

  // Mutators

  /** Removes all mappings from the table. */
  void clear();

  /**
   * Associates the specified value with the specified keys. If the table already contained a
   * mapping for those keys, the old value is replaced with the specified value.
   *
   * @param rowKey row key that the value should be associated with

   * writes.
   */
  public void clear() {
    map.clear();
  }

  @Override
  public String toString() {
    return map.toString();
  }

  /**
   * If {@code key} is not already associated with a value or if {@code key} is associated with
   * zero, associate it with {@code newValue}. Returns the previous value associated with {@code
   * key}, or zero if there was no mapping for {@code key}.
   */

        .post("This is the original message".toRequestBody())
        .addHeader("Content-Encoding", "deflate")
        .gzip()
        .build()
    }.also {
      assertThat(it).hasMessage("Content-Encoding already set: deflate")
    }
  }

  @Test
  fun cannotGzipTwice() {
    assertFailsWith<IllegalStateException> {
      Request
        .Builder()
        .url("https://square.com/")