if (iterable instanceof List) {
      List<E> list = (List<E>) iterable;
      if (list.isEmpty()) {
        return Optional.absent();
      }
      return Optional.of(list.get(list.size() - 1));
    }
    Iterator<E> iterator = iterable.iterator();
    if (!iterator.hasNext()) {
      return Optional.absent();
    }

    /*

    //                                                                             =======
    @Override
    public JobLogDbm asDBMeta() {
        return JobLogDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "job_log";
    }

    // ===================================================================================

    }

    @Override
    protected Map<K, V> delegate() {
      return delegate;
    }

    @Override
    public int size() {
      assertTrue(Thread.holdsLock(mutex));
      return super.size();
    }

    @Override
    public boolean isEmpty() {
      assertTrue(Thread.holdsLock(mutex));
      return super.isEmpty();
    }

    @Override
    public @Nullable V remove(Object object) {

    return delegate().put(key, value);
  }

  @Override
  public void putAll(Map<? extends K, ? extends V> map) {
    delegate().putAll(map);
  }

  @Override
  public Set<K> keySet() {
    return delegate().keySet();
  }

  @Override
  public Collection<V> values() {
    return delegate().values();
  }

  @Override
  public Set<Entry<K, V>> entrySet() {

    return new String[length];
  }

  @Override
  public final String[] createValueArray(int length) {
    return new String[length];
  }

  /** Returns the original element list, unchanged. */
  @Override
  public Iterable<Entry<String, String>> order(List<Entry<String, String>> insertionOrder) {
    return insertionOrder;
  }

    return new String[length];
  }

  @Override
  public final String[] createValueArray(int length) {
    return new String[length];
  }

  /** Returns the original element list, unchanged. */
  @Override
  public Iterable<Entry<String, String>> order(List<Entry<String, String>> insertionOrder) {
    return insertionOrder;
  }

    return new AbstractIndexedListIterator<E>(size(), index) {
      @Override
      protected E get(int index) {
        return ImmutableList.this.get(index);
      }
    };
  }

  @Override
  public ImmutableList<E> asList() {
    return this;
  }

  @Override
  public boolean equals(@Nullable Object obj) {
    return Lists.equalsImpl(this, obj);
  }

  @Override

		if err != nil {
			return nil, err
		}

		return format, nil
	}

	// Return error when quorum unformatted disks - indicating we are
	// waiting for first server to be online.
	unformattedDisks := quorumUnformattedDisks(sErrs)
	if unformattedDisks && !firstDisk {
		return nil, errNotFirstDisk
	}

	// Return error when quorum unformatted disks but waiting for rest

    }

    public boolean hasBuildFailures() {
        return !buildFailuresByProject.isEmpty();
    }

    public boolean hasBuildFailure(MavenProject project) {
        return buildFailuresByProject.containsKey(getProjectKey(project));
    }

    public boolean hasMultipleProjects() {
        return sorter.hasMultipleProjects();
    }

    public List<MavenProject> getSortedProjects() {

                eq++;
                return new String(in, eq, in.length - eq);
            }
        }

        return null;
    }

    UniAddress[] addresses;
    int addressIndex;

    UniAddress getAddress() throws UnknownHostException {
        if (addressIndex == 0) {
            return getFirstAddress();
        }
        return addresses[addressIndex - 1];
    }