code: public AttributeValue withSS(String... sS) {
          if (getSS() == null) setSS(new java.util.ArrayList<String>(sS.length));
          for (String value : sS) {
              getSS().add(value);
          }
          return this;
      }
docs: A set of strings.
  <p>
  Returns a reference to this object so that method calls can be chained together.
  
  @param sS A set of strings.
  
  @return A reference to this updated object so that method calls can be chained
  together.