}

    // Mock classes

    static class MockRelatedContentBhv extends RelatedContentBhv {
        private List<RelatedContent> testData = new ArrayList<>();

        public void setTestData(List<RelatedContent> testData) {
            this.testData = testData;
        }

        public List<RelatedContent> getTestData() {
            return testData;
        }
    }

        return first;
    }

    /**
     * Removes the last element.
     *
     * @return the last element
     */
    public E removeLast() {
        if (isEmpty()) {
            throw new NoSuchElementException();
        }
        final E last = header.previous.element;
        header.previous.remove();
        return last;
    }

    /**
     * Adds an element at the beginning.

	return json.Marshal(&SrvRecord{
		Host:         ip,
		Port:         json.Number(port),
		TTL:          ttl,
		CreationDate: t,
	})
}

// Close closes the internal etcd client and cannot be used further
func (c *CoreDNS) Close() error {
	c.etcdClient.Close()
	return nil
}

// List - Retrieves list of DNS entries for the domain.
func (c *CoreDNS) List() (map[string][]SrvRecord, error) {

    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();
  }

  virtual void SetExecutorForThread(EagerExecutor* executor) = 0;

  // Return a list of local tensorflow::Device*.
  // TODO(tfrt-devs): We shouldn't expose legacy device in this API.
  virtual std::vector<tensorflow::Device*> ListLocalTfDevices() = 0;

  // Return a list of all tensorflow::Device*.
  virtual std::vector<tensorflow::Device*> ListAllTfDevices() = 0;

            } catch (final SmbException e) {
                log.debug("Failed to connect tree on retry", e);
                last = e;
            }
        }

        if (last != null) {
            log.debug("All attempts have failed, last exception", last);
            throw last;
        }
        throw new SmbException("All attempts failed, but no exception");
    }

        }

        final WebAuthenticationConfig config = new WebAuthenticationConfig();

        // host/port/realm: only set if not blank (null means "any" - AuthScope.ANY equivalent)
        final String host = paramMap.get(prefix + "host");
        if (StringUtil.isNotBlank(host)) {
            config.setHost(host);
        }

        final String port = paramMap.get(prefix + "port");

        return createTime;
    }

    /**
     * Gets the timestamp of the last cache update
     * @return the last update time
     */
    public long getLastUpdateTime() {
        return lastUpdateTime;
    }

    /**
     * Gets the timestamp of the last cache access
     * @return the last access time
     */
    public long getLastAccessTime() {
        return lastAccessTime;
    }

        buildLabelTypeItems(labelTypeList);
        buildLabelTypePatternList(labelTypeList);
    }

    /**
     * Builds a list of label type items.
     *
     * @param labelTypeList The list of label types.
     */
    protected void buildLabelTypeItems(final List<LabelType> labelTypeList) {
        final List<LabelTypeItem> itemList = new ArrayList<>();

        }

    private
    fun updateCompatibilityDoc(latestAgpVersions: List<String>) =
        updateCompatibilityDoc(
            compatibilityDocFile,
            "Gradle is tested with Android Gradle Plugin",
            latestAgpVersions.firstBaseVersion,
            latestAgpVersions.last()
        )

    private
    val List<String>.firstBaseVersion: String