MetadataTreeNode parent; // papa

    /** default # of children. Used for tree creation optimization only */
    int nChildren = 8;

    MetadataTreeNode[] children; // of cause

    public int getNChildren() {
        return nChildren;
    }

    public void setNChildren(int children) {
        nChildren = children;
    }

    // ------------------------------------------------------------------------

  public void testOpen() {
    Range<Integer> range = Range.open(4, 8);
    checkContains(range);
    assertTrue(range.hasLowerBound());
    assertEquals(4, (int) range.lowerEndpoint());
    assertEquals(OPEN, range.lowerBoundType());
    assertTrue(range.hasUpperBound());
    assertEquals(8, (int) range.upperEndpoint());
    assertEquals(OPEN, range.upperBoundType());
    assertFalse(range.isEmpty());
    assertEquals("(4..8)", range.toString());

    @Test
    void testWriteParameterWordsWireFormat() {
        // Given
        SmbComTreeDisconnect smbComTreeDisconnect = new SmbComTreeDisconnect();
        byte[] dst = new byte[10];

        // When
        int result = smbComTreeDisconnect.writeParameterWordsWireFormat(dst, 0);

        // Then
        assertEquals(0, result, "writeParameterWordsWireFormat should return 0");
    }

    /**

  void setCountCheckReturnValue(E element, int count) {
    assertEquals(
        "multiset.setCount() should return the old count",
        getMultiset().count(element),
        setCount(element, count));
  }

  @Override
  void setCountNoCheckReturnValue(E element, int count) {
    setCount(element, count);
  }

  @CanIgnoreReturnValue
  private int setCount(E element, int count) {

    /** Access permissions for this memory region */
    protected final EnumSet<RdmaAccess> accessFlags;
    /** Local key for accessing this memory region */
    protected final int localKey;
    /** Remote key for remote RDMA access */
    protected final int remoteKey;
    /** Virtual address of the memory region */
    protected final long address;
    /** Flag indicating if the memory region is still valid */

/**
 * mvnenc invoker implementation.
 */
public class EncryptInvoker extends LookupInvoker<EncryptContext> {

    public static final int OK = 0; // OK
    public static final int ERROR = 1; // "generic" error
    public static final int BAD_OPERATION = 2; // bad user input or alike
    public static final int CANCELED = 3; // user canceled

    public EncryptInvoker(Lookup protoLookup, @Nullable Consumer<LookupContext> contextConsumer) {

/**
 * mvnup invoker implementation.
 */
public class UpgradeInvoker extends LookupInvoker<UpgradeContext> {

    public static final int OK = 0; // OK
    public static final int ERROR = 1; // "generic" error
    public static final int BAD_OPERATION = 2; // bad user input or alike
    public static final int CANCELED = 3; // user canceled

    public UpgradeInvoker(Lookup protoLookup, @Nullable Consumer<LookupContext> contextConsumer) {

        pos += 8;
        final int userOff = writeSecurityBuffer(type3, 36, userBytes);
        pos += 8;
        final int wsOff = writeSecurityBuffer(type3, 44, workstationBytes);
        pos += 8;
        final int skOff = writeSecurityBuffer(type3, 52, sessionKeyBytes);
        pos += 8;

        writeULong(type3, pos, getFlags());
        pos += 4;

        String host, int port, InetAddress localHost, int localPort) throws IOException {
      return configureSocket((SSLSocket) delegate.createSocket(host, port, localHost, localPort));
    }

    @Override public Socket createSocket(InetAddress host, int port) throws IOException {
      return configureSocket((SSLSocket) delegate.createSocket(host, port));
    }

    @Override public Socket createSocket(

    }

    @Test
    void constructor_shouldThrowSmbExceptionOnRpcError() throws IOException {
        // Arrange
        int access = 0x01;
        int errorCode = 0xC0000022; // Example error code (STATUS_ACCESS_DENIED)
        // Simulate RPC error
        doAnswer(invocation -> {
            MsrpcSamrOpenDomain rpc = invocation.getArgument(0);