code: public void buildSummary(XMLNode node, Content profileContentTree) {
          Content summaryContentTree = profileWriter.getSummaryHeader();
          buildChildren(node, summaryContentTree);
          profileContentTree.addContent(profileWriter.getSummaryTree(summaryContentTree));
      }
docs: Build the profile summary.
  
  @param node the XML element that specifies which components to document
  @param profileContentTree the profile content tree to which the summaries will
  be added