code: function (p) {
          // if encoding just delete the property
          if (this.encode) {
              delete p[this.paramPrefix];
          // otherwise scrub the object of filter data
          } else {
              var regex, key;
              regex = new RegExp('^' + this.paramPrefix + '\[[0-9]+\]');
              for (key in p) {
                  if (regex.test(key)) {
                      delete p[key];
                  }
              }
          }
      }
docs: Removes filter related query parameters from the provided object.
  @param {Object} p Query parameters that may contain filter related fields.