I set cache policy to request in Alamofire to ignore local cache.
Then I load a viewcontroller with network connection, then I disconnect network connection, kill th
ReloadIgnoringLocalAndRemoteCacheData is not implemented.
https://developer.apple.com/reference/foundation/nsurlrequestcachepolicy/1408722-reloadignoringlocalandremotecach
http://nshipster.com/nsurlcache/
Update: Starting with iOS 13, NSURLRequest.CachePolicy.reloadRevalidatingCacheData and NSURLRequest.CachePolicy.reloadIgnoringLocalAndRemoteCacheData are implemented. https://developer.apple.com/documentation/ios_ipados_release_notes/ios_13_release_notes