checkNotNull(nodeToChildrenFunction);
    return new TreeTraverser<T>() {
      @Override
      public Iterable<T> children(T root) {
        return nodeToChildrenFunction.apply(root);
      }
    };
  }

  /** Returns the children of the specified node. Must not contain null. */
  public abstract Iterable<T> children(T root);

  /**

        assertEquals("testfile.txt", fileBothDirectoryInfo.getName());
    }

    @Test
    @DisplayName("Test getType returns TYPE_FILESYSTEM")
    void testGetType() {
        assertEquals(SmbConstants.TYPE_FILESYSTEM, fileBothDirectoryInfo.getType());
    }

    @Test
    @DisplayName("Test getFileIndex returns correct value")
    void testGetFileIndex() throws SMBProtocolDecodingException {
        // Prepare test data

  /**
   * Remove {@code edge} from the set of incoming edges. Returns the former predecessor node.
   *
   * <p>In the undirected case, returns {@code null} if {@code isSelfLoop} is true.
   */
  @CanIgnoreReturnValue
  @Nullable N removeInEdge(E edge, boolean isSelfLoop);

  /** Remove {@code edge} from the set of outgoing edges. Returns the former successor node. */
  @CanIgnoreReturnValue
  N removeOutEdge(E edge);

            buffer[i] = (byte) (0xFF - i);
        }

        return buffer;
    }

    private byte[] createMockBuffer(byte infoLevel) {
        switch (infoLevel) {
        case FileInformation.FILE_BASIC_INFO:
            return createMockFileBasicInfoBuffer();
        case FileInformation.FILE_STANDARD_INFO:
            return createMockFileStandardInfoBuffer();
        case FileInformation.FILE_INTERNAL_INFO:

public interface UpgradeOptions extends Options {
    /**
     * Returns the list of upgrade goals to be executed.
     * These goals can include operations like "check", "dependencies", "plugins", etc.
     *
     * @return an {@link Optional} containing the list of goals, or empty if not specified
     */
    @Nonnull
    Optional<List<String>> goals();

    /**
     * Returns the target POM model version for upgrades.

        if (canonicalProtocol != null) {
            return canonicalProtocol;
        }
        return protocol;
    }

    /**
     * Returns the {@link File} object of the Jar file indicated by the URL.
     *
     * @param fileUrl
     *            The URL of the Jar file. Must not be {@literal null}.
     * @return The {@link File} of the Jar file.
     */
    public static File toFile(final URL fileUrl) {

      total += read;
    }
    return total;
  }

  /**
   * Returns a new {@link ByteArrayDataInput} instance to read from the {@code bytes} array from the
   * beginning.
   */
  @J2ktIncompatible
  public static ByteArrayDataInput newDataInput(byte[] bytes) {
    return newDataInput(new ByteArrayInputStream(bytes));
  }

  /**

        assertNull(delegatingConfig.getRandom(), "Should return null when delegate returns null");
        assertNull(delegatingConfig.getLocalAddr(), "Should return null when delegate returns null");
        assertNull(delegatingConfig.getNetbiosHostname(), "Should return null when delegate returns null");
        assertNull(delegatingConfig.getResolveOrder(), "Should return null when delegate returns null");

  /** Returns the lifecycle state of the service. */
  State state();

  /**
   * If the service is {@linkplain State#STARTING starting} or {@linkplain State#RUNNING running},
   * this initiates service shutdown and returns immediately. If the service is {@linkplain
   * State#NEW new}, it is {@linkplain State#TERMINATED terminated} without having been started nor
   * stopped. If the service has already been stopped, this method returns immediately without

    @Test
    void testWriteSetupWireFormat() {
        // Test that writeSetupWireFormat returns 0
        byte[] dst = new byte[100];
        int result = response.writeSetupWireFormat(dst, 10);
        assertEquals(0, result);
    }

    @Test
    void testWriteParametersWireFormat() {
        // Test that writeParametersWireFormat returns 0
        byte[] dst = new byte[100];