docs: private String prepareForStartOfJavascriptExecution(List<WebView> webViews) {
  		webElementCreator.prepareForStart();
  
  		WebChromeClient currentWebChromeClient = getCurrentWebChromeClient();
  
  		if(currentWebChromeClient != null && !currentWebChromeClient.getClass().isAssignableFrom(RobotiumWebClient.class)){
  			originalWebChromeClient = currentWebChromeClient;	
  		}
  		robotiumWebCLient.enableJavascriptAndSetRobotiumWebClient(webViews, originalWebChromeClient);
  		return getJavaScriptAsString();
  	}