code: function getConditions (req) {
    if (req.baucis.conditions === undefined) {
      req.baucis.conditions = {};
      req.baucis.conditions[this.findBy()] = req.params.id;
    }
    return req.baucis.conditions;
  }
docs: Gets the conditions for finding the resource based on the request.
  
  @param {Object} req
  @return {Object}
  @api private