code: protected Content getNavSummaryLink(ClassDoc cd, boolean link) {
          if (link) {
              if (cd == null) {
                  return writer.getHyperLink(
                          SectionName.METHOD_SUMMARY,
                          writer.getResource("doclet.navMethod"));
              } else {
                  return writer.getHyperLink(
                          SectionName.METHODS_INHERITANCE,
                          configuration.getClassName(cd), writer.getResource("doclet.navMethod"));
              }
          } else {
              return writer.getResource("doclet.navMethod");
          }
      }
docs: {@inheritDoc}