public int size() {
    if (graph.isDirected()) {
      return graph.inDegree(node)
          + graph.outDegree(node)
          - (graph.successors(node).contains(node) ? 1 : 0);
    } else {
      return graph.adjacentNodes(node).size();
    }
  }

  @Override
  public boolean contains(@Nullable Object obj) {
    if (!(obj instanceof EndpointPair)) {
      return false;
    }

    /**
     * Gets the session flags from the response
     *
     * @return the sessionFlags
     */
    public int getSessionFlags() {
        return this.sessionFlags;
    }

    /**
     * Gets the security blob from the session setup response
     *
     * @return security blob
     */
    public byte[] getBlob() {
        return this.blob;
    }

    @Override
    protected String getNamePrefix() {
        return NAME_PREFIX;
    }

    @Override
    protected String getApiPath() {
        return API_PATH;
    }

    @Override
    protected String getKeyProperty() {
        return KEY_PROPERTY;
    }

    @Override
    protected String getListEndpointSuffix() {
        return LIST_ENDPOINT_SUFFIX;
    }

    @Override

      return this.presentFeatures.equals(that.presentFeatures)
          && this.absentFeatures.equals(that.absentFeatures);
    }
    return false;
  }

  @Override
  public int hashCode() {
    return presentFeatures.hashCode() * 31 + absentFeatures.hashCode();
  }

  @Override
  public String toString() {
    return "{TesterRequirements: present=" + presentFeatures + ", absent=" + absentFeatures + "}";
  }

        return 0;
    }

    @Override
    protected int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    protected int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    public String toString() {

    /**
     * Gets the number of bytes written in the last chunk
     * @return the chunkBytesWritten
     */
    public int getChunkBytesWritten() {
        return this.chunkBytesWritten;
    }

    /**
     * Gets the number of chunks successfully written
     * @return the chunksWritten
     */
    public int getChunksWritten() {
        return this.chunksWritten;
    }

    /**

  protected final @Nullable T endOfData() {
    state = State.DONE;
    return null;
  }

  @Override
  public final boolean hasNext() {
    checkState(state != State.FAILED);
    switch (state) {
      case DONE:
        return false;
      case READY:
        return true;
      default:
    }
    return tryToComputeNext();
  }

  private boolean tryToComputeNext() {

        return jdkVersionRange.containsVersion(jdkVersion);
    }

    private String convertJdkToMavenVersion(String jdk) {
        return jdk.replace("_", "-");
    }

    protected String getJdkVersion() {
        return JDK_VERSION;
    }

    @Override
    protected boolean canDetectActivation(Profile profile) {
        return profile.getActivation() != null

                    return tool;
                }
            }
            Path tool = bin.resolve(toolName);
            if (Files.exists(tool)) {
                return tool;
            }
        }
        return null;
    }

    result.usingGenerator(generator);
    return result;
  }

  @SuppressWarnings("rawtypes") // class literals
  @Override
  protected List<Class<? extends AbstractTester>> getTesters() {
    List<Class<? extends AbstractTester>> testers = copyToList(super.getTesters());
    testers.addAll(ConcurrentMapTestSuiteBuilder.TESTERS);
    return testers;
  }

  @Override