code: public AbstractBuilder getModuleSummaryBuilder(ModuleElement mdle, ModuleElement prevModule,
              ModuleElement nextModule) {
          return ModuleSummaryBuilder.getInstance(context, mdle,
              writerFactory.getModuleSummaryWriter(mdle, prevModule, nextModule));
      }
docs: Return the builder that builds the module summary.
  
  @param mdle the module being documented.
  @param prevModule the previous module being documented.
  @param nextModule the next module being documented.
  @return the builder that builds the module summary.