code: public void buildMethodTags(XMLNode node, Content methodsContentTree) {
          methodWriter.addMemberTags((ExecutableElement)currentMember, methodsContentTree);
          ExecutableElement method = (ExecutableElement)currentMember;
          if (method.getSimpleName().toString().compareTo("writeExternal") == 0
                  && utils.getSerialDataTrees(method).isEmpty()) {
              if (configuration.serialwarn) {
                  TypeElement encl  = (TypeElement) method.getEnclosingElement();
                  messages.warning(currentMember,
                          "doclet.MissingSerialDataTag", encl.getQualifiedName().toString(),
                          method.getSimpleName().toString());
              }
          }
      }
docs: Build the method tags.
  
  @param node the XML element that specifies which components to document
  @param methodsContentTree content tree to which the documentation will be added