graph.putEdgeValue(4, 4, "valueD");

    assertThat(graph.edgeValueOrDefault(1, 2, null)).isEqualTo("valueA");
    assertThat(graph.edgeValueOrDefault(2, 1, null)).isEqualTo("valueB");
    assertThat(graph.edgeValueOrDefault(2, 3, null)).isEqualTo("valueC");
    assertThat(graph.edgeValueOrDefault(4, 4, null)).isEqualTo("valueD");
    assertThat(graph.edgeValueOrDefault(1, 2, DEFAULT)).isEqualTo("valueA");

                }
            }
        }
        finally {
            this.open = false;
            if ( t != null ) {
                // release tree usage
                t.release();
            }
            this.tree = null;
        }
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbFileHandle#close()
     */
    @Override

            assertEquals("guest", permissionHelper.encode("guest"));
        } finally {
            ComponentUtil.setFessConfig(null);
        }
    }

    public void test_decode() {
        assertNull(permissionHelper.decode(null));
        assertNull(permissionHelper.decode(""));
        assertNull(permissionHelper.decode(" "));
        assertNull(permissionHelper.decode("D"));

  @Override
  @CheckForNull
  public Entry<K, V> firstEntry() {
    return Iterators.<@Nullable Entry<K, V>>getNext(entryIterator(), null);
  }

  @Override
  @CheckForNull
  public Entry<K, V> lastEntry() {
    return Iterators.<@Nullable Entry<K, V>>getNext(descendingEntryIterator(), null);
  }

  @Override
  @CheckForNull
  public Entry<K, V> pollFirstEntry() {
    return Iterators.pollNext(entryIterator());
  }

     *             installation has failed.
     * @throws IllegalArgumentException in case of parameter {@code request} is {@code null} or parameter
     *             {@code localRepository} is {@code null} or {@code localRepository} is not a directory
     *             or parameter {@code mavenArtifacts} is {@code null} or
     *             {@code mavenArtifacts.isEmpty()} is {@code true}.
     */

     * @param context The environmental context used to determine the activation status of the profile, must not be
     *            {@code null}.
     * @param problems The container used to collect problems (e.g. bad syntax) that were encountered, must not be
     *            {@code null}.
     * @return {@code true} if the profile is active, {@code false} otherwise.

     *            false} to use the update policy configured on each repository.
     * @return This request, never {@code null}.
     */
    RepositoryRequest setForceUpdate(boolean forceUpdate);

    /**
     * Gets the local repository to use.
     *
     * @return The local repository to use or {@code null} if not set.
     */
    ArtifactRepository getLocalRepository();

    /**
     * Sets the local repository to use.

    check(null !in (interceptors as List<Interceptor?>)) {
      "Null interceptor: $interceptors"
    }
    check(null !in (networkInterceptors as List<Interceptor?>)) {
      "Null network interceptor: $networkInterceptors"
    }

    if (connectionSpecs.none { it.isTls }) {
      check(sslSocketFactoryOrNull == null)
      check(certificateChainCleaner == null)
      check(x509TrustManager == null)

          // X509TrustManagerExtensions checks for checkServerTrusted(X509Certificate[], String, String)
          null
        }

      return when {
        extensions != null -> AndroidCertificateChainCleaner(trustManager, extensions)
        else -> null
      }
    }
  }

    }

    public String getInput() {
        return input;
    }

    public String getInputValue() {
        if (input == null) {
            return StringUtil.EMPTY;
        }
        return input;
    }

    public boolean isUpdated() {
        return newInput != null;
    }

    public boolean isDeleted() {
        return isUpdated() && newInput.length() == 0;
    }

    @Override