return Iterables.<@Nullable Entry<K, V>>getFirst(descendingMap().entrySet(), null);
  }

  /**
   * A sensible definition of {@link #lastKey} in terms of {@code lastEntry}. If you override {@code
   * lastEntry}, you may wish to override {@code lastKey} to forward to this implementation.
   */
  protected K standardLastKey() {
    Entry<K, V> entry = lastEntry();
    if (entry == null) {

#                                                                                    Core
#                                                                                   ======
# The mode of Lasta Di's smart-deploy, should be cool in production (e.g. hot, cool, warm)
lasta_di.smart.deploy.mode = cool

# Is development environment here? (used for various purpose, you should set false if unknown)
development.here = false

Damos la bienvenida a pull requests para tu idioma.

## Impulsado por

* [Lasta Di](https://github.com/lastaflute/lasta-di "Lasta Di"): Contenedor DI
* [LastaFlute](https://github.com/lastaflute/lastaflute "LastaFlute"): Framework Web
* [Lasta Job](https://github.com/lastaflute/lasta-job "Lasta Job"): Programador de Tareas
* [Fess Crawler](https://github.com/codelibs/fess-crawler "Fess Crawler"): Rastreador Web

                          </td>
            <td></td>
          </tr>
                  <tr>
            <td><a href="https://oss.sonatype.org/content/repositories/snapshots/org/codelibs/fess/fess-crawler-lasta/">fess-crawler-lasta/</a></td>
            <td>Mon Aug 12 06:13:10 UTC 2019</td>
            <td align="right">
                              &nbsp;
                          </td>
            <td></td>
          </tr>

			<groupId>org.lastaflute</groupId>
			<artifactId>lasta-di</artifactId>
			<version>${lasta.di.version}</version>
		</dependency>
		<dependency>
			<groupId>org.lastaflute</groupId>
			<artifactId>lastaflute</artifactId>
			<version>${lastaflute.version}</version>
		</dependency>
		<dependency>
			<groupId>org.lastaflute.html</groupId>
			<artifactId>lasta-taglib</artifactId>

#                                                                                    Core
#                                                                                   ======
# The mode of Lasta Di's smart-deploy, should be cool in production (e.g. hot, cool, warm)
lasta_di.smart.deploy.mode = warm

# Is development environment here? (used for various purpose, you should set false if unknown)
development.here = false

#                                                                                    Core
#                                                                                   ======
# The mode of Lasta Di's smart-deploy, should be cool in production (e.g. hot, cool, warm)
lasta_di.smart.deploy.mode = warm

# Is development environment here? (used for various purpose, you should set false if unknown)
development.here = false

#                                                                                    Core
#                                                                                   ======
# The mode of Lasta Di's smart-deploy, should be cool in production (e.g. hot, cool, warm)
lasta_di.smart.deploy.mode = warm

# Is development environment here? (used for various purpose, you should set false if unknown)
development.here = false

      }
      return ((SortedMap<C, V>) backingRowMap).firstKey();
    }

    @Override
    public C lastKey() {
      updateBackingRowMapField();
      if (backingRowMap == null) {
        throw new NoSuchElementException();
      }
      return ((SortedMap<C, V>) backingRowMap).lastKey();
    }

    transient @Nullable SortedMap<C, V> wholeRow;

    @Override
    @ParametricNullness
    public K firstKey() {
      return sortedMap().firstKey();
    }

    @Override
    @ParametricNullness
    public K lastKey() {
      return sortedMap().lastKey();
    }

    @Override
    public SortedMap<K, Collection<V>> headMap(@ParametricNullness K toKey) {
      return new SortedAsMap(sortedMap().headMap(toKey));
    }