code: def options_response(env):
          
          status_headers = StatusAndHeaders('200 Ok', [
              ('Content-Type', 'text/plain'),
              ('Content-Length', '0'),
          ])
          response = WbResponse(status_headers)
          response.add_access_control_headers(env=env)
          return response
docs: Construct WbResponse for OPTIONS based on the WSGI env dictionary
  
          :param dict env: The WSGI environment dictionary
          :return: The WBResponse for the options request
          :rtype: WbResponse