docs: public static String getSystemProperty(String propName) {
          final String temp = propName;
          try {
              String prop = AccessController.doPrivileged(
                                                          new PrivilegedAction<String>() {
                                                              @Override
                                                              public String run() {
                                                                  return System.getProperty(temp);
                                                              }
                                                          });
              return prop;
          } catch (SecurityException se) {
              // LOG THE EXCEPTION
              return null;
          }
      }