//                                          ------------
    public void setFrom(String from, String personal) {
        doSetFrom(from, personal);
    }

    public void addTo(String to) {
        doAddTo(to);
    }

    public void addTo(String to, String personal) {
        doAddTo(to, personal);
    }

    public void addCc(String cc) {
        doAddCc(cc);
    }

    }
  }

  @CanIgnoreReturnValue
  public static <E extends @Nullable Object> boolean addAll(
      Collection<E> addTo, Iterable<? extends E> elementsToAdd) {
    boolean modified = false;
    for (E e : elementsToAdd) {
      modified |= addTo.add(e);
    }
    return modified;
  }

  static <T extends @Nullable Object> Iterable<T> reverse(List<T> list) {
    return new Iterable<T>() {

                        stream(toAddresses).of(stream -> stream.map(String::trim).forEach(address -> {
                            postcard.addTo(address);
                        }));
                    } else {
                        postcard.addTo(fessConfig.getMailFromAddress());
                        postcard.dryrun();
                    }

    }
  }

  @CanIgnoreReturnValue
  public static <E extends @Nullable Object> boolean addAll(
      Collection<E> addTo, Iterable<? extends E> elementsToAdd) {
    boolean modified = false;
    for (E e : elementsToAdd) {
      modified |= addTo.add(e);
    }
    return modified;
  }

  static <T extends @Nullable Object> Iterable<T> reverse(List<T> list) {
    return new Iterable<T>() {

                postcard.addReplyTo(fessConfig.getMailReturnPath());
                stream(toAddresses).of(stream -> stream.forEach(address -> {
                    postcard.addTo(address);
                }));
                BeanUtil.copyMapToBean(dataMap, postcard);
            });
            saveInfo(messages -> messages.addSuccessSendTestmail(GLOBAL));

  @CanIgnoreReturnValue
  public static <T extends @Nullable Object> boolean addAll(
      Collection<T> addTo, Iterable<? extends T> elementsToAdd) {
    if (elementsToAdd instanceof Collection) {
      Collection<? extends T> c = (Collection<? extends T>) elementsToAdd;
      return addTo.addAll(c);
    }
    return Iterators.addAll(addTo, checkNotNull(elementsToAdd).iterator());
  }

  /**

   */
  private static <E extends @Nullable Object> boolean addAllImpl(
      Multiset<E> self, AbstractMapBasedMultiset<? extends E> elements) {
    if (elements.isEmpty()) {
      return false;
    }
    elements.addTo(self);
    return true;
  }

  /** An implementation of {@link Multiset#removeAll}. */
  static boolean removeAllImpl(Multiset<?> self, Collection<?> elementsToRemove) {
    Collection<?> collection =