code: public void setProxy(String proxyHost, int proxyPort) {
          System.setProperty("http.proxySet", "true");
          System.setProperty("http.proxyHost", proxyHost);
          System.setProperty("http.proxyPort", "" + proxyPort);
          System.setProperty("https.proxyHost", proxyHost);
          System.setProperty("https.proxyPort", "" + proxyPort);
      }
docs: Set a proxy for REST-requests.
  
  @param proxyHost
  @param proxyPort