NagraConnectConfig
constructor(licenseUrl: String, operatorVault: String, prepareMessageCallback: PrepareMessageCallback? = defaultPrepareMessageCallback, prepareLicenseCallback: PrepareLicenseCallback? = defaultPrepareLicenseCallback, httpHeaders: Map<String, String>? = defaultHttpHeaders, shouldKeepDrmSessionsAlive: Boolean = defaultShouldKeepDrmSessionsAlive)