text: var joi = require('joi');
  
  module.exports = joi
      .object()
      .keys({
          get: joi.func().required(),
          post: joi.func().required(),
          put: joi.func().required(),
          del: joi.func().required(),
          head: joi.func().required(),
          patch: joi.func().required(),
          json: joi.func().required(),
          postJson: joi.func().required(),
          putJson: joi.func().required()
      });
  