public static RiakStoreParameter durableWrite(RiakQuorumValue durableWrite) {
   return new RiakStoreParameter(RiakConstants.DURABLE_WRITE, durableWrite.toString(), Type.QUERY);
 }
 public static RiakStoreParameter write(RiakQuorumValue write) {
   return new RiakStoreParameter(RiakConstants.WRITE, write.toString(), Type.QUERY);
 }