code: static Policy getPolicy() {
          final SecurityManager sm = System.getSecurityManager();
  
          if (sm != null) {
              return AccessController.doPrivileged(new PrivilegedAction<Policy>() {
                  public Policy run() {
                      return Policy.getPolicy();
                  }
              });
          } else {
              return Policy.getPolicy();
          }
      }
docs: Returns the installed policy object.
  
  @return