if (e.getException() instanceof SmbException) {
                    throw (SmbException) e.getException();
                }
                throw new SmbException("Unexpected exception during context initialization", e);
            }
        }
        return ctx.initSecContext(token, 0, token == null ? 0 : token.length);
    }

    /**
     * @param trans
     * @param tdomain
     * @param negoResp

     *
     * @param <K> the key type of {@link EnumMap}
     * @param <V> the value type of {@link EnumMap}
     * @param m the {@literal enum} map to be used for initialization
     * @return a new instance of {@link EnumMap}
     * @see EnumMap#EnumMap(EnumMap)
     */
    public static <K extends Enum<K>, V> EnumMap<K, V> newEnumMap(final EnumMap<K, ? extends V> m) {

    // Add an uncommitted entry. This will get detected on initialization, and the cache will
    // attempt to delete the file. Do not explicitly close the cache here so the entry is left as
    // incomplete.
    val creator = cache.edit("k1")!!
    creator.newSink(0).buffer().use {
      it.writeUtf8("Hello")
    }

    // Simulate a severe Filesystem failure on the first initialization.

  }

  static final Ticker NULL_TICKER =
      new Ticker() {
        @Override
        public long read() {
          return 0;
        }
      };

  // We use a holder class to delay initialization: https://github.com/google/guava/issues/6566
  private static final class LoggerHolder {
    static final Logger logger = Logger.getLogger(CacheBuilder.class.getName());
  }

  static final int UNSET_INT = -1;

            throw new RuntimeException("Samba container is not running");
        }

        Exception lastException = null;
        // Increased timeout to 90 seconds to allow for container startup and Samba initialization
        for (int attempt = 0; attempt < 90; attempt++) {
            try {
                SmbFile testFile = new SmbFile(baseUrl + "shared/", context);
                testFile.exists(); // Simple connectivity test

  }

  static final Ticker NULL_TICKER =
      new Ticker() {
        @Override
        public long read() {
          return 0;
        }
      };

  // We use a holder class to delay initialization: https://github.com/google/guava/issues/6566
  private static final class LoggerHolder {
    static final Logger logger = Logger.getLogger(CacheBuilder.class.getName());
  }

  static final int UNSET_INT = -1;

### Other notable changes

* federation: fix dns provider initialization issues ([#27252](https://github.com/kubernetes/kubernetes/pull/27252), [@mfanjie](https://github.com/mfanjie))