code: def _speak_none(self, element):
          
          # pylint: disable=no-self-use
  
          element.set_attribute('role', 'presentation')
          element.set_attribute('aria-hidden', 'true')
          element.set_attribute(AccessibleCSSImplementation.DATA_SPEAK, 'none')
docs: No speak any content of element only.
  
          :param element: The element.
          :type element: hatemile.util.html.htmldomelement.HTMLDOMElement