docs: function CFConfig(config) {
      const cf = this;
      extend(extend(cf, {
          protocol: 'http',
          host: 'api.bosh-lite.com',
          //port : null, // omitted to let it be based on config or protocol
          username: 'admin',
          password: 'admin',
          skipSslValidation: false
      }), config);
  
      cf.port = calculatePort(cf.port, cf.protocol);
      if (cf.skipSslValidation instanceof String) {
          cf.skipSslValidation = ('true' === cf.skipSslValidation);
      }
  }