code: @Override
      public AnnotationTypeOptionalMemberWriter getAnnotationTypeOptionalMemberWriter(
          AnnotationTypeWriter annotationTypeWriter) {
          TypeElement te = annotationTypeWriter.getAnnotationTypeElement();
          return new AnnotationTypeOptionalMemberWriterImpl(
              (SubWriterHolderWriter) annotationTypeWriter, te);
      }
docs: {@inheritDoc}