code: public void setHandleParameters(String handleParametersVisited) {
  		this.handleParametersVisited = HandleParametersOption.valueOf(handleParametersVisited);
  		getConfig().setProperty(SPIDER_HANDLE_PARAMETERS, this.handleParametersVisited.toString());
  	}
docs: Sets the how the spider handles parameters when checking URIs visited.
  
  The provided parameter is, in this case, a String which is cast to the proper value. Possible values are:
  {@code "USE_ALL"}, {@code "IGNORE_VALUE"}, {@code "IGNORE_COMPLETELY"}.
  
  @param handleParametersVisited the new handle parameters visited value
  @throws IllegalArgumentException if the given parameter is not a value of {@code HandleParametersOption}.