Mockito.when(mockContext.getCredentials()).thenReturn(mockCredentials);
        Mockito.when(mockCredentials.unwrap(Mockito.any())).thenReturn(mockCredentialsInternal);
        Mockito.when(mockCredentialsInternal.clone()).thenReturn(mockCredentialsInternal);
        Mockito.when(mockTransport.acquire()).thenReturn(mockTransport);
    }

    /**
     * Test that concurrent tree operations are thread-safe with CopyOnWriteArrayList.
     */

		{rulesCase2, "2000*", TargetID{"2", "amqp"}},
		{rulesCase3, "2010*", TargetID{"1", "webhook"}},
	}

	for i, testCase := range testCases {
		result := testCase.rules.Clone()

		if !reflect.DeepEqual(result, testCase.rules) {
			t.Fatalf("test %v: result: expected: %v, got: %v", i+1, testCase.rules, result)
		}

		result.Add(NewPattern(testCase.prefix, ""), testCase.targetID)

	// responses from the remote server.
	// Channel will be closed after error or when remote closes.
	// responses *must* be read to either an error is returned or the channel is closed.
	responses *Stream
	newResp   func() Resp

	// Requests sent to the server.
	// If the handler is defined with 0 incoming capacity this will be nil.
	// Channel *must* be closed to signal the end of the stream.

3. **Commit** your changes (`git commit -m 'Add amazing feature'`)
4. **Push** to the branch (`git push origin feature/amazing-feature`)
5. **Open** a Pull Request

### Development Setup

```bash
# Clone the repository
git clone https://github.com/codelibs/fess-crawler.git
cd fess-crawler

# Build the project
mvn clean install

# Run tests
mvn test

# Format code before committing
mvn formatter:format

		return map[string]BucketReplicationStats{}
	}

	r.RLock()

	bucketReplicationStats := make(map[string]BucketReplicationStats, len(r.Cache))
	for k, v := range r.Cache {
		bucketReplicationStats[k] = v.Clone()
	}
	r.RUnlock()
	for k, v := range bucketReplicationStats {
		v.QStat = r.qCache.getBucketStats(k)
		bucketReplicationStats[k] = v
	}

	return bucketReplicationStats
}

      if (!set.isPartialView()) {
        return set;
      }
    } else if (elements instanceof EnumSet) {
      EnumSet<?> clone = ((EnumSet<?>) elements).clone();
      ImmutableSet<?> untypedResult = ImmutableEnumSet.asImmutable(clone);
      /*
       * The result has the same type argument we started with. We just couldn't express EnumSet<E>

    operation ->> dep_func: Return from path operation
    Note over dep_func: Run code after yield
    Note over dep_func: ✅ Dependency closed
    dep_func ->> client: Send response to client
    Note over client: Response sent
    Note over dep_req: Run code after yield
    Note over dep_req: ✅ Dependency closed
```

	}{
		{rulesMapCase1, rulesMapToAddCase1},
		{rulesMapCase2, rulesMapToAddCase2},
		{rulesMapCase3, rulesMapToAddCase3},
	}

	for i, testCase := range testCases {
		result := testCase.rulesMap.Clone()

		if !reflect.DeepEqual(result, testCase.rulesMap) {
			t.Fatalf("test %v: result: expected: %v, got: %v", i+1, testCase.rulesMap, result)
		}

		result.Add(testCase.rulesMapToAdd)

    operation ->> dep_func: Return from path operation
    Note over dep_func: Run code after yield
    Note over dep_func: ✅ Dependency closed
    dep_func ->> client: Send response to client
    Note over client: Response sent
    Note over dep_req: Run code after yield
    Note over dep_req: ✅ Dependency closed
```

     * @throws PACDecodingException if the PAC data is malformed or signature validation fails
     */
    public Pac(byte[] data, Map<Integer, KerberosKey> keys) throws PACDecodingException {
        byte[] checksumData = data.clone();
        try {
            PacDataInputStream pacStream = new PacDataInputStream(new DataInputStream(new ByteArrayInputStream(data)));

            if (data.length <= 8) {