Config()
Default ctor to ensure all values have their proper default.
Config
( FString InAPIKeyET, FString InAPIServerET, FString InAppVersionET, bool InUseLegacyProtocol, FString InAppEnvironment, FString InUploadType, TArray< FString > InAltApiServers, float InFlushIntervalSec, int32 InMaximumPayloadSize, int32 InPreallocatedPayloadSize)
Ctor exposing common configurables .