ErrorUserInfoKey These keys may exist in the user info dictionary. Declarationstruct ErrorUserInfoKey TopicsType PropertiesNSURLErrorKeyfilePathErrorKeyhelpAnchorErrorKeylocalizedDescriptionKeylocalizedFailureReasonErrorKeylocalizedRecoveryOptionsErrorKeylocalizedRecoverySuggestionErrorKeyrecoveryAttempterErrorKeystringEncodingErrorKeyunderlyingErrorKey RelationshipsConforms ToEquatableHashableRawRepresentableSendableSendableMetatype See AlsoProviding Error User InfosetUserInfoValueProvider(forDomain:provider:)userInfoValueProvider(forDomain:)NSError.UserInfoKey