}
                }
                exception = null;
                break;
            } catch (final Exception e) {
                exception = new RuntimeException(e);
                scrollId = null;
            }
        }

        docCount.getAndAdd(queue.size());

        if (exception != null) {
            throw exception;
        }
    }

            return null;
        }
        synchronized ( this.addressCache ) {
            CacheEntry entry = this.addressCache.get(hostName);
            if ( entry != null && entry.expiration < System.currentTimeMillis() && entry.expiration >= 0 ) {
                entry = null;
            }
            return entry != null ? entry.address : null;
        }
    }

    private static final Logger logger = Logger.getLogger(StatementUtil.class);

    /**
     * SQLを実行します。
     *
     * @param statement
     *            {@link Statement}。{@literal null}であってはいけません
     * @param sql
     *            SQL文字列。{@literal null}や空文字列であってはいけません
     * @return 実行した結果
     * @see Statement#execute(String)
     */
    public static boolean execute(final Statement statement, final String sql) {

    }

    public void myspecifyPropertyCancel(String propertyName) {
        if (__specifiedProperties != null) {
            __specifiedProperties.remove(propertyName);
        }
    }

    public void clearSpecifiedInfo() {
        if (__specifiedProperties != null) {
            __specifiedProperties.clear();
        }
    }

    protected void checkSpecifiedProperty(String propertyName) {

    }

    public void test_builder() {
        assertEquals("test", extractorFactory.builder(new ByteArrayInputStream("test".getBytes()), null).extract().getContent());
        assertEquals("test",
                extractorFactory.builder(new ByteArrayInputStream("test".getBytes()), null).filename("test.txt").extract().getContent());
    }

    public void test_addExtractor_weight() {
        final String key = "application/test";

        System.getProperties().keySet().stream().filter(k -> k != null && k.toString().startsWith(Constants.FESS_CONFIG_PREFIX))
                .forEach(k -> addSystemProperty(cmdList, k.toString(), null, null));
    }

    protected void addFessSystemProperties(final List<String> cmdList) {
        System.getProperties().keySet().stream().filter(k -> k != null && k.toString().startsWith(Constants.SYSTEM_PROP_PREFIX))

            if ( this.root_directory != null ) {
                _dst = _dst.deferred;
                this.root_directory.encode(_dst);

            }
            if ( this.object_name != null ) {
                _dst = _dst.deferred;
                this.object_name.encode(_dst);

            }
            if ( this.security_quality_of_service != null ) {
                _dst = _dst.deferred;

        sidecar.istio.io/status: '{"initContainers":["istio-init"],"containers":["istio-proxy"],"volumes":null,"imagePullSecrets":null,"revision":"default"}'
      creationTimestamp: null
      labels:
        app: hello
        tier: backend
        track: stable
    spec:
      containers:
      - image: docker.io/istio/proxy_debug:unittest
        name: istio-proxy
        resources: {}

    Converter<String, Number> converter = Converter.<String, Number>from(forward, backward);

    assertNull(converter.convert(null));
    assertNull(converter.reverse().convert(null));

    assertEquals((Integer) 5, converter.convert("5"));
    assertEquals("5", converter.reverse().convert(5));
  }

  // Null-passthrough violates our nullness annotations, so we don't support it under J2KT.
  @J2ktIncompatible

      val body = response.body
      val streamHandler = response.streamHandler
      val outFinished = (
        body == null &&
          response.pushPromises.isEmpty() &&
          streamHandler == null
      )
      val flushHeaders = body == null || bodyDelayNanos != 0L
      require(!outFinished || trailers.size == 0) {
        "unsupported: no body and non-empty trailers $trailers"
      }