checkEntryNotNull(k1, v1);
    return new SingletonImmutableBiMap<K, V>(k1, v1);
  }

  public static <K, V> ImmutableBiMap<K, V> of(K k1, V v1, K k2, V v2) {
    return new RegularImmutableBiMap<K, V>(ImmutableMap.of(k1, v1, k2, v2));
  }

  public static <K, V> ImmutableBiMap<K, V> of(K k1, V v1, K k2, V v2, K k3, V v3) {
    return new RegularImmutableBiMap<K, V>(ImmutableMap.of(k1, v1, k2, v2, k3, v3));
  }

     */
    protected void reload(final StopwordsUpdater updater, final InputStream in) {
        final List<StopwordsItem> itemList = new ArrayList<>();
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(in, Constants.UTF_8))) {
            long id = 0;
            String line = null;
            while ((line = reader.readLine()) != null) {

        // This should NOT call setRootLoggerLevel, allowing configuration file to take effect

        MockInvokerRequest invokerRequest = new MockInvokerRequest(false); // not verbose
        MockOptions options = new MockOptions(false); // not quiet
        MockSlf4jConfiguration slf4jConfiguration = new MockSlf4jConfiguration();

        // Simulate the fixed logic from LookupInvoker.prepareLogging()
        Slf4jConfiguration.Level loggerLevel;

    /**
     * Creates a new empty DataStoreParams instance.
     * Initializes the internal parameter map with a ParamMap wrapper.
     */
    public DataStoreParams() {
        params = new ParamMap<>(new HashMap<>());
    }

    /**
     * Creates a new DataStoreParams instance with a copy of the provided parameters.
     * This protected constructor is used for creating new instances from existing parameter maps.
     *

    public Class<?>[] createKeyArray(int length) {
      return new Class<?>[length];
    }

    @Override
    public Impl[] createValueArray(int length) {
      return new Impl[length];
    }

    @Override
    public SampleElements<Entry<Class, Impl>> samples() {
      return new SampleElements<>(
          immutableEntry((Class) One.class, new Impl(1)),
          immutableEntry((Class) Two.class, new Impl(2)),

    @Nullable String string;
  }

  public void testBuilder_withMutableEntry() {
    ImmutableMap.Builder<String, Integer> builder = new Builder<>();
    StringHolder holder = new StringHolder();
    holder.string = "one";
    Entry<String, Integer> entry =
        new AbstractMapEntry<String, Integer>() {
          @Override
          public String getKey() {
            return holder.string;
          }

    void testNullPath() {
        Trans2GetDfsReferral cmd = new Trans2GetDfsReferral(null);
        byte[] buffer = new byte[10];
        assertThrows(NullPointerException.class, () -> cmd.writeParametersWireFormat(buffer, 0));
    }

    @Nested
    @DisplayName("read methods are no‑ops")
    class ReadMethods {
        Trans2GetDfsReferral cmd = new Trans2GetDfsReferral("/foo");

        @Test
        void setup() {

    protected void prepareElementsHash() { // traditional name
        // #thinking jflute might lazy-loaded be unneeded? because created per request (2024/09/08)
        elementsAll = new HashMap<>();
        elementsText = new HashMap<>();
        elementsFile = new HashMap<>();
    }

    protected List<DiskFileItem> parseRequest(final HttpServletRequest request, final JakartaServletDiskFileUpload upload)
            throws FileUploadException {

        smb.setBytes(bytes);

        byte[] buffer = new byte[1024];
        int length = smb.encode(buffer, 0);

        // Create a new SMB to decode into
        TestServerMessageBlock decodedSmb = new TestServerMessageBlock();
        decodedSmb.setParamWords(new byte[params.length]);
        decodedSmb.setBytes(new byte[bytes.length]);
        decodedSmb.decode(buffer, 0);

        if (src == null || dst == null) {
            throw new IllegalArgumentException("Arrays cannot be null");
        }
        if (srcOffset < 0 || dstOffset < 0 || length < 0) {
            throw new IllegalArgumentException("Offsets and length must be non-negative");
        }
        if (srcOffset + length > src.length) {
            throw new IllegalArgumentException(