docs: def ng2_get_component_property(self, element, prop):
          """
          :Description: Will get value of property of element's component instance.
          :Warning: This will only work for Angular components.
          :param element: Element for browser instance to target.
          :type element: WebElement
          :param prop: Property of element's component to target.
          :type prop: string
          :example: 'messages.total'
          :return: string
          """
          return self.browser.execute_script(
              'return ng.probe(arguments[0]).componentInstance%s;' % self.__d2b_notation(prop=prop),
              element)