throwValidationError(messages -> messages.addErrorsInvalidHeaderForRequestFile(GLOBAL, "no header"),
                        () -> asListHtml(this::saveToken));
                return redirect(getClass()); // no-op
            }
            String line;
            while ((line = ReaderUtil.readLine(reader)) != null) {
                buf.append(line);
            }
        } catch (final Exception e) {

        if (value == null || value.getClass() != String.class && destPropertyClass != null && destPropertyClass != String.class) {
            return value;
        }
        Converter converter = converterMap.get(destPropertyName);
        if (converter == null) {
            final Class<?> targetClass;
            if (value.getClass() != String.class) {
                targetClass = value.getClass();

    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));
  }

  }

  @Override
  @ParametricNullness
  public E getFirst() {
    return delegate().getFirst();
  }

  @Override
  @ParametricNullness
  public E getLast() {
    return delegate().getLast();
  }

  @CanIgnoreReturnValue // TODO(cpovirk): Consider removing this?
  @Override
  public boolean offerFirst(@ParametricNullness E e) {
    return delegate().offerFirst(e);
  }

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

    /**
     * Updates an existing related content item.
     *
     * @param form the edit form containing the updated item data

     */
    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        RequestData other = (RequestData) obj;
        return method == other.method && Objects.equals(url, other.url)

    @Secured({ ROLE, ROLE + VIEW })
    public ActionResponse list(final OptionalThing<String> id) {
        saveToken();
        return id.filter(StringUtil::isNotBlank).map(s -> asListHtml(decodePath(s))).orElse(redirect(getClass()));
    }

    /**
     * Uploads a file to the storage system.
     *
     * @param form the item form containing file and path information

                        final UserPrincipal principal = acl.principal();
                        if (logger.isDebugEnabled()) {
                            logger.debug("Principal: [{}] {}", principal.getClass().getName(), principal);
                        }
                        if (principal instanceof final GroupPrincipal groupPrincipal) {

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

    /**
     * Updates an existing elevate word entry.
     *
     * @param form edit form containing updated elevate word data
     * @return redirect response to the main elevate word page

/**
 * 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];
  }