code: public void setUseGlobalState(boolean enableGlobalState) {
  		if (enableGlobalState) {
  			checkState();
  		} else {
  			client.setState(new HttpState());
  			clientViaProxy.setState(new HttpState());
  			setClientsCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
  		}
  	}
docs: Sets whether or not the global state should be used.
  <p>
  Refer to {@link #HttpSender(ConnectionParam, boolean, int)} for details on how the global state is used.
  
  @param enableGlobalState {@code true} if the global state should be used, {@code false} otherwise.
  @since TODO add version