ChallengeHandler

typealias ChallengeHandler = (@R|kotlin/ParameterName|(name = String(session)) ERROR CLASS: Symbol not found for NSURLSession, @R|kotlin/ParameterName|(name = String(task)) ERROR CLASS: Symbol not found for NSURLSessionTask, @R|kotlin/ParameterName|(name = String(challenge)) ERROR CLASS: Symbol not found for NSURLAuthenticationChallenge, completionHandler: (ERROR CLASS: Symbol not found for NSURLSessionAuthChallengeDisposition, ERROR CLASS: Symbol not found for NSURLCredential??) -> Unit) -> Unit(source)