public DownstreamRequestInitialiserMiddleware(OcelotRequestDelegate next,
                                               IOcelotLoggerFactory loggerFactory,
                                               Mapper.IRequestMapper requestMapper,
                                               IDownstreamRequestCreator creator)
     : base(loggerFactory.CreateLogger <DownstreamRequestInitialiserMiddleware>())
 {
     _next          = next;
     _requestMapper = requestMapper;
     _creator       = creator;
 }