code: function() {
  
      if (arguments.length > 0) {
        throw new Error('Invalid usage for `.decrypt()` -- no arguments should be passed in.');
      }
  
      // If meta already exists, merge on top of it.
      // (this is important for when this method is combined with .meta()/.usingConnection()/etc)
      if (this._wlQueryInfo.meta) {
        _.extend(this._wlQueryInfo.meta, { decrypt: true });
      }
      else {
        this._wlQueryInfo.meta = { decrypt: true };
      }
  
      return this;
    }
docs: Add `decrypt: true` to the query's `meta`.
  
  @returns {Query}