docs: public void setUserPassword(String userName, String password) {
  
          ProtocolHeader header = new ProtocolHeader();
          header.setType(ProtocolType.SetUserPassword);
          byte[] secret = null;
          if(password != null && ! password.isEmpty()){
              secret = ObfuscatUtil.base64Encode(password.getBytes());
          }
          SetUserPasswordProtocol p = new SetUserPasswordProtocol(userName, secret);
  
          connection.submitRequest(header, p, null);
  
      }