}

  @Test
  public void hasCycle_deepPathNetwork() {
    for (MutableNetwork<Integer, String> network : networksToTest) {
      for (int i = 0; i < 100000; i++) {
        network.addEdge(i, i + 1, Integer.toString(i));
      }
    }
    assertThat(hasCycle(directedNetwork)).isFalse();
    assertThat(hasCycle(undirectedNetwork)).isFalse();
  }

  }

  private static class IntValue {
    private final int value;

    IntValue(int value) {
      this.value = value;
    }

    @Override
    public String toString() {
      return "value = " + value;
    }
  }

  public void testOnResultOf() {
    EquivalenceTester.of(Equivalence.equals().onResultOf(Functions.toStringFunction()))

   * </ul>
   */
  @CheckForNull
  public String value() {
    return System.getProperty(key);
  }

  /** Returns a string representation of this system property. */
  @Override
  public String toString() {
    return key() + "=" + value();
  }

    @Override
    public void setUp() throws Exception {
        // create runner instance
        runner = new OpenSearchRunner();
        // create ES nodes
        final String clusterName = UUID.randomUUID().toString();
        runner.onBuild((number, settingsBuilder) -> {
            settingsBuilder.put("http.cors.enabled", true);
            settingsBuilder.put("discovery.type", "single-node");

    val response: Response?,
  ) {
    val responseBody: String? =
      when {
        response != null && response.code != 101 -> response.body.string()
        else -> null
      }

    override fun toString(): String {
      return when (response) {
        null -> "Failure[$t]"
        else -> "Failure[$response]"
      }
    }
  }

  internal data class Message(
    val bytes: ByteString? = null,

        Throwable current = t;
        while (current != null) {
            buf.append(current.getLocalizedMessage()).append(' ');
            current = current.getCause();
        }
        return buf.toString();
    }

    public static boolean isCheckboxEnabled(final String value) {
        if (value == null) {
            return false;
        }

                state = 2; // run connected
                run_thread.notify();
            }
        }

        /* Proccess responses
         */
        loop();
    }

    public String toString() {
        return name;
    }

        return lastModified;
    }

    @Override
    public void setLastModified(final Long lastModified) {
        this.lastModified = lastModified;
    }

    @Override
    public String toString() {
        return "AccessResultImpl [id=" + id + ", sessionId=" + sessionId + ", ruleId=" + ruleId + ", url=" + url + ", parentUrl="

    }

    public void deleteInstalledArtifact(final Artifact artifact) {
        final String fileName = artifact.getFileName();
        final Path jarPath = Paths.get(ResourceUtil.getPluginPath().toString(), fileName);
        if (!Files.exists(jarPath)) {
            throw new PluginException(fileName + " does not exist.");
        }

        switch (artifact.getType()) {
        case THEME:

            buf.append(getResultDataFooter());

            final ResultData resultData = new ResultData();
            resultData.setTransformerName(getName());

            final String data = buf.toString().trim();
            try {
                resultData.setData(data.getBytes(charsetName));
            } catch (final UnsupportedEncodingException e) {
                if (logger.isInfoEnabled()) {