code: @Override
      public void validateConfig(ServerConfiguration configuration) throws ConfigValidationException {
  
          // Default is that drop-ins are enabled
          boolean dropinsEnabled = configuration.isDropinsEnabled();
  
          // Drop-ins are enabled
          if (dropinsEnabled) {
              Tr.fatal(tc, "fatal.configValidator.dropinsEnabled");
  
              // Throw exception to terminate the server
              throw new ConfigValidationException("Drop-ins enabled in embedded environment");
          }
  
      }
docs: {@inheritDoc}
  
  @throws ConfigValidationException