code: function makeBucketOptions(options) {
      var opts = jsprim.deepCopy(options);
      opts.req_id = options.req_id || libuuid.create();
      return (opts);
  }
docs: /*
  Create options suitable for a bucket-related RPC call by creating a deep copy
  of the options passed in by the caller.  If the caller did not specify a
  req_id, create one and add it to the returned options.