code: function OpenApiResponse(httpCode, description, type) {
      return function (target, propertyKey, descriptor) {
          let m = exports.globalKCState.getOrInsertController(target.constructor).getOrInsertMethod(propertyKey);
          httpCode = httpCode.toString();
          m.openApiResponses[httpCode] = { description: description, type: type };
      };
  }
docs: Attach a OpenApi Response to the method
  @param {number|string} httpCode - The http code used for the response
  @param {string} description - Response description
  @param {string} type - The Open Api defined type.