assume().that(network.isDirected()).isTrue();

    addEdge(N1, N2, E12);
    addEdge(N1, N2, E12_A);

    assertThat(network.edgesConnecting(N1, N2)).containsExactly(E12, E12_A);
    // Passed nodes should be in the correct edge direction, first is the
    // source node and the second is the target node
    assertThat(network.edgesConnecting(N2, N1)).isEmpty();
  }

  @Test

   * of the supertype that suggests that implementations are expected to tolerate null. That said, I
   * see calls in Google code that pass a null `dir` to a FilenameFilter.... So let's declare the
   * parameter as non-nullable (since passing null to a FilenameFilter is unsafe in general), but if
   * someone still manages to pass null, let's continue to have the method work.
   *

import okhttp3.internal.skipAll
import okio.Buffer
import okio.ByteString.Companion.encodeUtf8

private val QUOTED_STRING_DELIMITERS = "\"\\".encodeUtf8()
private val TOKEN_DELIMITERS = "\t ,=".encodeUtf8()

/**
 * Parse RFC 7235 challenges. This is awkward because we need to look ahead to know how to
 * interpret a token.
 *
 * For example, the first line has a parameter name/value pair and the second line has a single
 * token68:
 *

     * Loads artifacts from a YAML-based repository.
     *
     * @param url the URL of the YAML repository
     * @return a list of artifacts loaded from the repository
     * @throws PluginException if failed to parse the repository content
     */
    protected List<Artifact> loadArtifactsFromRepository(final String url) {
        final String content = getRepositoryContent(url);
        final ObjectMapper objectMapper = new YAMLMapper();

        timeZone = utc
        set2DigitYearStart(Date(-631152000000L)) // 1950-01-01T00:00:00Z.
      }

    try {
      val parsed = dateFormat.parse(string)
      return parsed.time
    } catch (e: ParseException) {
      throw ProtocolException("Failed to parse UTCTime $string")
    }
  }

  internal fun formatUtcTime(date: Long): String {
    val utc = TimeZone.getTimeZone("GMT")
    val dateFormat =

  private Striped() {}

  /**
   * Returns the stripe that corresponds to the passed key. It is always guaranteed that if {@code
   * key1.equals(key2)}, then {@code get(key1) == get(key2)}.
   *
   * @param key an arbitrary, non-null key
   * @return the stripe that the passed key corresponds to
   */
  public abstract L get(Object key);

  /**

            reload(updater, curlResponse.getContentAsStream());
        } catch (final IOException e) {
            throw new DictionaryException("Failed to parse " + path, e);
        }
    }

    /**
     * Reloads the dictionary file.
     *
     * @param updater The updater.
     * @param in The input stream.
     */

        Object result = scriptExecutor.execute(scriptType, script);

        // Verify result
        assertEquals("processed: test script content", result);

        // Verify executor was passed in params
        Map<String, Object> lastParams = testScriptEngine.getLastParams();
        assertNotNull(lastParams);
        assertEquals(scriptExecutor, lastParams.get("executor"));
    }

   * map does not support {@code setValue()} on its entries, {@code put}, or {@code putAll}.
   *
   * <p>When passed a key that is present in the map, {@code asMap().get(Object)} has the same
   * behavior as {@link #get}, returning a live collection. When passed a key that is not present,
   * however, {@code asMap().get(Object)} returns {@code null} instead of an empty collection.
   *

                    });
            return new NTLMScheme(new JcifsEngine(props));
        }
        if (Constants.FORM.equals(scheme)) {
            final Map<String, String> parameterMap = ParameterUtil.parse(getParameters());
            return new FormScheme(parameterMap);
        }
        return null;
    }

    private AuthScope getAuthScope() {
        if (StringUtil.isBlank(getHostname())) {