return result;
  }

  private List<Class<?>> loadClassesInPackage() throws IOException {
    List<Class<?>> classes = new ArrayList<>();
    String packageName = getClass().getPackage().getName();
    for (ClassPath.ClassInfo classInfo :
        ClassPath.from(getClass().getClassLoader()).getTopLevelClasses(packageName)) {
      Class<?> cls;
      try {
        cls = classInfo.load();
      } catch (NoClassDefFoundError e) {

/**
 * Captures the actual type of {@code T}.
 *
 * @author Ben Yu
 */
abstract class TypeCapture<T> {

  /** Returns the captured type. */
  final Type capture() {
    Type superclass = getClass().getGenericSuperclass();
    checkArgument(superclass instanceof ParameterizedType, "%s isn't parameterized", superclass);
    return ((ParameterizedType) superclass).getActualTypeArguments()[0];
  }

            }
        }).orElse(() -> {
            throwValidationError(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL), this::asEditHtml);
        });
        return redirect(getClass());
    }

    /**
     * Updates an existing user.
     *
     * @param form the edit form containing the updated user data
     * @return HTML response redirecting to the list page after update
     */

    /**
     * Registers this creator with the dictionary manager after construction.
     */
    @PostConstruct
    public void register() {
        if (logger.isInfoEnabled()) {
            logger.info("Load {}", this.getClass().getSimpleName());
        }
        dictionaryManager.addCreator(this);
    }

    @Override

    }

    @Override
    public E getFirst() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.getFirst();
    }

    @Override
    public E getLast() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.getLast();
    }

    @Override
    public @Nullable E peekFirst() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.peekFirst();
    }

    assertEquals("c", Iterables.getLast(list));
  }

  public void testGetLast_emptyList() {
    List<String> list = emptyList();
    assertThrows(NoSuchElementException.class, () -> Iterables.getLast(list));
  }

  public void testGetLast_sortedSet() {
    SortedSet<String> sortedSet = ImmutableSortedSet.of("b", "c", "a");
    assertEquals("c", Iterables.getLast(sortedSet));
  }

    }

    /**
     * Registers this creator to the dictionary manager.
     */
    @PostConstruct
    public void register() {
        if (logger.isInfoEnabled()) {
            logger.info("Load {}", this.getClass().getSimpleName());
        }
        dictionaryManager.addCreator(this);
    }

    /**
     * Creates a new dictionary file.
     *
     * @param id The ID of the dictionary file.

                        () -> redirectWith(getClass(), moreUrl("uploadpage/" + form.dictId)));
            }
            saveInfo(messages -> messages.addSuccessUploadSynonymFile(GLOBAL));
            return redirectWith(getClass(), moreUrl("list/1").params("dictId", form.dictId));
        }).orElseGet(() -> {

   * consider using {@code collection.getLast()} instead.
   *
   * @return the last element of {@code iterable}
   * @throws NoSuchElementException if the iterable is empty
   */
  @ParametricNullness
  public static <T extends @Nullable Object> T getLast(Iterable<T> iterable) {
    // TODO(kevinb): Support a concurrently modified collection?

            }
        }).orElse(() -> {
            throwValidationError(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL), this::asEditHtml);
        });
        return redirect(getClass());
    }

    /**
     * Updates an existing web authentication configuration.
     *
     * @param form the edit form containing the updated web authentication data