code: function httpClient(baseUrl, globalTrackingId) {
    var self = object.create(httpClient.prototype);
  
    self.baseUrl = baseUrl;
    self.globalTrackingId = globalTrackingId;
  
    return self;
  }
docs: HTTP Client library
  
  @param {string} baseUrl  to be format with url.format
  @param {string} [globalTrackingId] id uses to associate the request with the
  secuence of request in multiple services (just for debugging purposes)