docs: function(features, options) {
          options = OpenLayers.Util.applyDefaults(options, this.options);
  
          var resp = new OpenLayers.Protocol.Response({
              reqFeatures: features,
              requestType: "create"
          });
  
          resp.priv = OpenLayers.Request.POST({
              url: options.url,
              callback: this.createCallback(this.handleCreate, resp, options),
              headers: options.headers,
              data: this.format.write(features)
          });
  
          return resp;
      }