@Override
              public void addChildren(List<? extends DebuggerTreeNode> nodes, boolean last) {
                XValueChildrenList childrenList = XValueChildrenList.EMPTY;
                if (!nodes.isEmpty()) {
                  childrenList = new XValueChildrenList(nodes.size());
                  for (DebuggerTreeNode treeNode : nodes) {
                    NodeDescriptor descriptor = treeNode.getDescriptor();
                    if (descriptor instanceof ValueDescriptorImpl) {
                      // Value is calculated already in NodeManagerImpl
                      childrenList.add(create(JavaValue.this, (ValueDescriptorImpl)descriptor, myEvaluationContext, myNodeManager, false));
                    }
                    else if (descriptor instanceof MessageDescriptor) {
                      childrenList.add(
                        new JavaStackFrame.DummyMessageValueNode(descriptor.getLabel(),
                                                                 DebuggerTreeRenderer.getDescriptorIcon(descriptor)));
                    }
                  }
                }
                node.addChildren(childrenList, last);
              }
@Override
              public void addChildren(List<? extends DebuggerTreeNode> nodes, boolean last)