assertThat(FluentIterable.from(list).first()).hasValue("a");
  }

  public void testFirst_null() {
    List<String> list = Lists.newArrayList(null, "a", "b");
    assertThrows(NullPointerException.class, () -> FluentIterable.from(list).first());
  }

  public void testFirst_emptyList() {
    List<String> list = emptyList();
    assertThat(FluentIterable.from(list).first()).isAbsent();
  }

    void explicitlyActivate(List<String> profileIds);

    void explicitlyDeactivate(String profileId);

    void explicitlyDeactivate(List<String> profileIds);

    List getActiveProfiles() throws ProfileActivationException;

    void addProfiles(List<Profile> profiles);

    Map getProfilesById();

    List<String> getExplicitlyActivatedIds();

    List<String> getExplicitlyDeactivatedIds();

            Artifact originatingArtifact,
            Map<String, Artifact> managedVersions,
            ArtifactRepository localRepository,
            List<ArtifactRepository> remoteRepositories,
            ArtifactMetadataSource source,
            ArtifactFilter filter,
            List<ResolutionListener> listeners)
            throws ArtifactResolutionException, ArtifactNotFoundException;

    @Deprecated

     * @param recessive
     * @param recessiveSourceLevel
     */
    private static <T extends IdentifiableBase> void shallowMergeById(
            List<T> dominant, List<T> recessive, String recessiveSourceLevel) {
        Map<String, T> dominantById = mapById(dominant);
        final List<T> identifiables = new ArrayList<>(recessive.size());

        for (T identifiable : recessive) {

 */
@Deprecated(since = "4.0.0")
class DefaultSettingsDecryptionResult implements SettingsDecryptionResult {

    private List<Server> servers;

    private List<Proxy> proxies;

    private List<SettingsProblem> problems;

    DefaultSettingsDecryptionResult(List<Server> servers, List<Proxy> proxies, List<SettingsProblem> problems) {
        this.servers = (servers != null) ? servers : new ArrayList<>();

                        }
                    }
                    list.add(parseItem(isCombination, isDigit, version.substring(startIndex, i)));
                }
                startIndex = i + 1;

                if (!list.isEmpty()) {
                    list.add(list = new ListItem());
                    stack.push(list);
                }
                isCombination = false;

    /**
     * Returns project's all artifacts as immutable collection. The list contains all artifacts, even the attached ones,
     * if any. Hence, the list returned by this method depends on which lifecycle step of the build was it invoked.
     * The head of returned list is result of {@link Project#getArtifacts()} method, so same applies here: the list can have

	NextVersionIDMarker string

	// List of objects info for this request.
	Objects []ObjectInfo

	// List of prefixes for this request.
	Prefixes []string
}

// ListObjectsInfo - container for list objects.
type ListObjectsInfo struct {
	// Indicates whether the returned list objects response is truncated. A
	// value of true indicates that the list was truncated. The list can be truncated

              }

              @Override
              public Iterable<E> order(List<E> insertionOrder) {
                List<E> list = new ArrayList<>();
                for (E e : delegate.order(insertionOrder)) {
                  list.add(e);
                }
                Collections.reverse(list);
                return list;
              }

              @Override

#     ; domainPackage = [package]
#     ; environmentList = list:{ [environment name] }
#     ; isMakeActionHtml = [true or false]
#     ; commonMap = map:{
#         ; path = [relative path to common project from DBFlute client]
#         ; freeGenList = list:{ [env or config or label or message or html] }
#         ; propertiesHtmlList = list:{ [env or config or label or message] }
#     }
#     ; appMap = map:{