return new UndirectedGraphConnections<>(ImmutableMap.copyOf(adjacentNodeValues));
  }

  @Override
  public Set<N> adjacentNodes() {
    return Collections.unmodifiableSet(adjacentNodeValues.keySet());
  }

  @Override
  public Set<N> predecessors() {
    return adjacentNodes();
  }

  @Override
  public Set<N> successors() {
    return adjacentNodes();
  }

  @Override

     * Get the number of characters consumed from the path
     *
     * @return the pathConsumed
     */
    public final int getPathConsumed() {
        return this.pathConsumed;
    }

    /**
     * Get the number of referrals in the response
     *
     * @return the numReferrals
     */
    public final int getNumReferrals() {
        return this.numReferrals;
    }

    /**
     * Get the referral flags

            public Class<? extends Annotation> annotationType() {
                return UriType.class;
            }

            @Override
            public ProtocolType protocolType() {
                return ProtocolType.WEB;
            }

            @Override
            public String message() {
                return "Test message";
            }

            @Override

        if (edges == null || edges.isEmpty()) {
            return null;
        }

        if (edges.size() == 1) {
            MetadataGraphEdge e = edges.get(0);
            if (scope.encloses(e.getScope())) {
                return e;
            }

            return null;
        }

        MetadataGraphEdge res = null;

    //                                                                             =======
    @Override
    public DuplicateHostDbm asDBMeta() {
        return DuplicateHostDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "duplicate_host";
    }

    // ===================================================================================

    //                                                                             =======
    @Override
    public RelatedQueryDbm asDBMeta() {
        return RelatedQueryDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "related_query";
    }

    // ===================================================================================

    //                                                                             =======
    @Override
    public RequestHeaderDbm asDBMeta() {
        return RequestHeaderDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "request_header";
    }

    // ===================================================================================

  int copyIntoArray(@Nullable Object[] dst, int offset) {
    return delegateList.copyIntoArray(dst, offset);
  }

  @Override
  @Nullable Object @Nullable [] internalArray() {
    return delegateList.internalArray();
  }

  @Override
  int internalArrayStart() {
    return delegateList.internalArrayStart();
  }

  @Override
  int internalArrayEnd() {
    return delegateList.internalArrayEnd();
  }

  @Override

        // These methods simply return 0 without accessing the buffer

        // Write methods return 0 without accessing null buffer
        assertEquals(0, response.writeSetupWireFormat(null, 0));
        assertEquals(0, response.writeParametersWireFormat(null, 0));
        assertEquals(0, response.writeDataWireFormat(null, 0));

        // Read methods return 0 without accessing null buffer

            // RdmaCompletionEvent event = endpoint.getCqProcessor().getCqEvent(timeout);
            // if (event != null) {
            //     return event.getBuffer();
            // }
            // return null;

            // For skeleton implementation, return null (timeout)
            return null;

        } catch (Exception e) {
            state = RdmaConnectionState.ERROR;