code: @Override
      public R visitModule(ModuleElement e, P p) {
          // Use implementation from interface default method
          return ElementVisitor.super.visitModule(e, p);
      }
docs: {@inheritDoc}
  
  @implSpec Visits a {@code ModuleElement} by calling {@code
  visitUnknown}.
  
  @param e  {@inheritDoc}
  @param p  {@inheritDoc}
  @return the result of {@code visitUnknown}
  
  @since 9
  @spec JPMS