code: public java.util.List<CacheNode> getCacheNodes() {
          if (cacheNodes == null) {
              cacheNodes = new com.amazonaws.internal.SdkInternalList<CacheNode>();
          }
          return cacheNodes;
      }
docs: <p>
  A list of cache nodes that are members of the cluster.
  </p>
  
  @return A list of cache nodes that are members of the cluster.