final List<E> list;
    final int[] c;
    final int[] o;
    int j;

    PermutationIterator(List<E> list) {
      this.list = new ArrayList<>(list);
      int n = list.size();
      c = new int[n];
      o = new int[n];
      Arrays.fill(c, 0);
      Arrays.fill(o, 1);
      j = Integer.MAX_VALUE;
    }

    @Override
    protected @Nullable List<E> computeNext() {

      throw new UnsupportedOperationException();
    }

    @Override
    public K getKey() {
      throw new UnsupportedOperationException();
    }

    @Override
    public long getAccessTime() {
      throw new UnsupportedOperationException();
    }

    @Override
    public void setAccessTime(long time) {
      throw new UnsupportedOperationException();
    }

    @Override

            _specification = new HpSpecification();
        }
        return _specification;
    }

    protected void assertQueryPurpose() {
    }

    protected void assertAggregationPurpose() {
    }

    protected void assertSpecifyPurpose() {
    }

    public static class HpSpecification {
        protected List<String> columnList = new ArrayList<>();

        final Map<String, Object> requestBody = new HashMap<>();
        final String keyProp = NAME_PREFIX + id;
        requestBody.put(KEY_PROPERTY, keyProp);
        requestBody.put("web_config_id", getWebConfigId());
        return requestBody;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {
        final Map<String, Object> updateMap = new HashMap<>();

        final File junitJar = ResourceUtil.getBuildDir(TestCase.class);
        assertTrue(junitJar.exists());
        final URL url = junitJar.toURI().toURL();
        final URLClassLoader loader = new URLClassLoader(new URL[] { url });
        loader.loadClass(TestCase.class.getName());
    }

    /**
     * @throws Exception
     */
    public void testIsExist() throws Exception {

    }
    return delegate instanceof Serializable
        ? new MemoizingSupplier<T>(delegate)
        : new NonSerializableMemoizingSupplier<T>(delegate);
  }

  @VisibleForTesting
  static final class MemoizingSupplier<T extends @Nullable Object>
      implements Supplier<T>, Serializable {
    private transient Object lock = new Object();

    final Supplier<T> delegate;

    /**
     * Index page (not supported for API).
     *
     * @return throws UnsupportedOperationException
     */
    @Execute
    public HtmlResponse index() {
        throw new UnsupportedOperationException("index() is not supported in API. Use the admin UI instead.");
    }

    /**
     * Starts a scheduled job by ID.

      try {
        try {
          urls.add(new File(entry).toURI().toURL());
        } catch (SecurityException e) { // File.toURI checks to see if the file is a directory
          urls.add(new URL("file", null, new File(entry).getAbsolutePath()));
        }
      } catch (MalformedURLException e) {
        throw new AssertionError("malformed class path entry: " + entry, e);
      }
    }

        return chat(sessionId, userMessage, userId, Collections.emptyMap(), new String[0]);
    }

    /**
     * Performs a chat request with RAG and search filters.
     *
     * @param sessionId the session ID (can be null for new sessions)
     * @param userMessage the user's message
     * @param userId the user ID (can be null for anonymous users)

      return Integer.toString(value);
    }
  }

  public void testCopyOfDuplicateInconsistentWithEquals() {
    IntegerDiv10 three = new IntegerDiv10(3);
    IntegerDiv10 eleven = new IntegerDiv10(11);
    IntegerDiv10 twelve = new IntegerDiv10(12);
    IntegerDiv10 twenty = new IntegerDiv10(20);

    List<IntegerDiv10> original = ImmutableList.of(three, eleven, twelve, twenty);