code: public void buildExceptionSummary(XMLNode node, Content summaryContentTree) {
          String exceptionTableSummary =
                  configuration.getText("doclet.Member_Table_Summary",
                  configuration.getText("doclet.Exception_Summary"),
                  configuration.getText("doclet.exceptions"));
          String[] exceptionTableHeader = new String[] {
              configuration.getText("doclet.Exception"),
              configuration.getText("doclet.Description")
          };
          ClassDoc[] exceptions =
                  packageDoc.isIncluded()
                          ? packageDoc.exceptions()
                          : configuration.classDocCatalog.exceptions(
                                  utils.getPackageName(packageDoc));
          exceptions = utils.filterOutPrivateClasses(exceptions, configuration.javafx);
          if (exceptions.length > 0) {
              packageWriter.addClassesSummary(
                      exceptions,
                      configuration.getText("doclet.Exception_Summary"),
                      exceptionTableSummary, exceptionTableHeader, summaryContentTree);
          }
      }
docs: Build the summary for the exceptions in this package.
  
  @param node the XML element that specifies which components to document
  @param summaryContentTree the summary tree to which the exception summary will
  be added