code: private void processConfigProps(Map<String, Object> props) {
          controlFlag = setControlFlag(moduleConfig.controlFlag());
          Map<String, Object> options = extractOptions(props);
  
          String originalLoginModuleClassName = moduleConfig.className();
          if (isDefaultLoginModule()) {
              String target = getTargetClassName(originalLoginModuleClassName, options);
              Class<?> cl = getTargetClassForName(target);
              options.put(LoginModuleProxy.KERNEL_DELEGATE, cl);
          } else {
              options = processDelegateOptions(options, originalLoginModuleClassName, classLoadingService, sharedLibrary, false);
          }
          this.options = options;
      }
docs: Process the properties from the server.xml/client.xml
  
  @param props