private void appendChildren(StringBuilder buffer, SliceNode node, String indent) {
    List<SliceNode> cachedChildren = node.getCachedChildren();
    if (cachedChildren != null) {
      for (SliceNode child : cachedChildren) {
        appendNode(buffer, child, indent);
      }
    }
    else {
      buffer.append(indent).append("...").append(myLineSeparator);
    }
  }
private void appendChildren(StringBuilder buffer, SliceNode node, String indent)