private void OverrideHandlerMetadata(Type requestType, HandlerInfo handlerInfo)
 {
     _handlerMetadataCache.AddOrUpdate(requestType, handlerInfo, (_, __) => handlerInfo);
 }
 public void OverrideHandlerMetadata <T>(HandlerInfo handlerInfo)
 {
     OverrideHandlerMetadata(typeof(T), handlerInfo);
 }