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