// Graph<LinkedList>.
      @SuppressWarnings("unchecked")
      @Override
      public boolean contains(@Nullable Object obj) {
        if (!(obj instanceof EndpointPair)) {
          return false;
        }
        EndpointPair<?> endpointPair = (EndpointPair<?>) obj;
        return isOrderingCompatible(endpointPair)
            && nodes().contains(endpointPair.nodeU())

    //                                                                       =============
    protected void checkEsInvalidAggregation(String name, Object value) {
        if (value == null || (value instanceof String && ((String) value).isEmpty())) {
            String msg = "Cannot register null or empty aggregation: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

                entity.setCreatedBy(username);
                entity.setCreatedTime(currentTime);
                return entity;
            });
        case CrudMode.EDIT:
            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(RelatedContentService.class).getRelatedContent(((EditForm) form).id);
            }
            break;
        default:
            break;
        }

            if (session != null) {
                final Object resultsPerPage = session.getAttribute(Constants.RESULTS_PER_PAGE);
                if (resultsPerPage instanceof Integer) {
                    form.num = (Integer) resultsPerPage;
                }
            }
        }

        if (StringUtil.isBlank(form.q) && form.fields.isEmpty() && !form.hasConditionQuery()) {

            } catch (final ClientAbortException e) {
                logger.debug("Client aborts this request.", e);
            }
        } catch (final Exception e) {
            if (!(e.getCause() instanceof ClientAbortException)) {
                throw new WebApiException(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e);
            }
            logger.debug("Client aborts this request.", e);
        }
    }

                // Mark as destroyed first to prevent further operations
                destroyed = true;

                // Try to destroy master key if it implements Destroyable
                if (masterKey instanceof Destroyable) {
                    try {
                        ((Destroyable) masterKey).destroy();
                    } catch (DestroyFailedException e) {

 * methods will throw {@link NullPointerException} if any given element is null.
 *
 * <p><b>Warning: joiner instances are always immutable</b>; a configuration method such as {@code
 * useForNull} has no effect on the instance it is invoked on! You must store and use the new joiner
 * instance returned by the method. This makes joiners thread-safe, and safe to store as {@code
 * static final} constants.
 *
 * {@snippet :

            throwValidationErrorApi(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id));
            return null;
        });
        getUserBean().ifPresent(u -> {
            if (u.getFessUser() instanceof User && entity.getName().equals(u.getUserId())) {
                throwValidationErrorApi(messages -> messages.addErrorsCouldNotDeleteLoggedInUser(GLOBAL));
            }
        });
        try {

        return this.getCause();
    }

    /**
     * @param e
     * @return a CIFS exception wrapped in an SmbException
     */
    static SmbException wrap(final CIFSException e) {
        if (e instanceof SmbException) {
            return (SmbException) e;
        }
        return new SmbException(e.getMessage(), e);
    }

        assertEquals("Share1", entry1.getName());
        assertEquals(8, entry1.getType()); // TYPE_SHARE constant

        // Access remark through SmbShareInfo methods if available
        assertTrue(entry1 instanceof SmbShareInfo);
        SmbShareInfo shareInfo = (SmbShareInfo) entry1;
        Field remarkField = SmbShareInfo.class.getDeclaredField("remark");
        remarkField.setAccessible(true);