code: public java.util.List<String> getCacheNodeIdsToReboot() {
          if (cacheNodeIdsToReboot == null) {
              cacheNodeIdsToReboot = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return cacheNodeIdsToReboot;
      }
docs: <p>
  A list of cache node IDs to reboot. A node ID is a numeric identifier (0001, 0002, etc.). To reboot an entire
  cluster, specify all of the cache node IDs.
  </p>
  
  @return A list of cache node IDs to reboot. A node ID is a numeric identifier (0001, 0002, etc.). To reboot an
  entire cluster, specify all of the cache node IDs.