this.comparator = comparator;
    checkState((type == Type.SORTED) == (comparator != null));
  }

  /** Returns an instance which specifies that no ordering is guaranteed. */
  public static <S> ElementOrder<S> unordered() {
    return new ElementOrder<>(Type.UNORDERED, null);
  }

  /**
   * Returns an instance which specifies that ordering is guaranteed to be always be the same across

    this.comparator = comparator;
    checkState((type == Type.SORTED) == (comparator != null));
  }

  /** Returns an instance which specifies that no ordering is guaranteed. */
  public static <S> ElementOrder<S> unordered() {
    return new ElementOrder<>(Type.UNORDERED, null);
  }

  /**
   * Returns an instance which specifies that ordering is guaranteed to be always be the same across

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

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

      inline.execute(command);
    }

    private static <T> void assertTaskWrapped(Collection<? extends Callable<T>> tasks) {
      Predicate<Object> p = Predicates.instanceOf(WrappedCallable.class);
      assertTrue(Iterables.all(tasks, p));
    }
  }

        });
    }

    private void findAnnotations(NodeWithAnnotations<?> node, AbstractLanguageElement currentElement) {
        for (AnnotationExpr child : node.getAnnotations()) {
            if (child instanceof SingleMemberAnnotationExpr && child.getNameAsString().endsWith("ReplacedBy")) {
                currentElement.setReplacement(((SingleMemberAnnotationExpr) child).getMemberValue().asLiteralStringValueExpr().getValue());
            }

            }
        }

        if (modelId == null) {
            modelId = getModelId();
            source = getSource();
        }

        if (line <= 0 && column <= 0 && req.getException() instanceof ModelParseException) {
            ModelParseException e = (ModelParseException) req.getException();
            line = e.getLineNumber();
            column = e.getColumnNumber();
        }

            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 {

     * values} if it is a Set and therefore probably already deduplicated.
     */
    int expectedValueCollectionSize(int defaultExpectedValues, Iterable<?> values) {
      if (values instanceof Collection<?>) {
        Collection<?> collection = (Collection<?>) values;
        return max(defaultExpectedValues, collection.size());
      } else {
        return defaultExpectedValues;
      }
    }

   */
  public static <E> ImmutableList<E> copyOf(Iterable<? extends E> elements) {
    checkNotNull(elements); // TODO(kevinb): is this here only for GWT?
    return (elements instanceof Collection)
        ? copyOf((Collection<? extends E>) elements)
        : copyOf(elements.iterator());
  }

  /**
   * Returns an immutable list containing the given elements, in order.
   *