docs: function (selector, keystrokes, hash) {
      this.actionQueue.push(this.webdriverClient.element.bind(this.webdriverClient, selector));
      this.actionQueue.push(this.webdriverClient.sendKeys.bind(this.webdriverClient, keystrokes));
      this.actionQueue.push(this._sendKeysCb.bind(this, selector, keystrokes, hash));
      return this;
    }