leastprivilege

public class StsMiddleware
{
	private readonly Func<IDictionary<string, object>, Task> _next;
	private readonly IStsConfig _config;

	public StsMiddleware(Func<IDictionary<string, object>, Task> next)
		: this(next, new AppConfigStsConfig())
	{}

	public StsMiddleware(Func<IDictionary<string, object>, Task> next, IStsConfig config = null)