docs: function (consumer_key, consumer_secret) {
          this.oauth = new OAuth.OAuth(
            'https://query.yahooapis.com/v1/yql/',
            'https://query.yahooapis.com/v1/yql/',
            consumer_key, //consumer key
            consumer_secret, //consumer secret
            '1.0',
            null,
            'HMAC-SHA1'
            );
          this.oauth.setClientOptions({ requestTokenHttpMethod: 'POST' });
  
          return this;
      }