external open class CastReceiverContext(params: Any) {
    open fun addCustomMessageListener(namespace: String, listener: EventHandler)
    open fun addEventListener(type: String, handler: EventHandler)
    open fun addEventListener(type: PlayerEventType, handler: EventHandler)
    open fun addEventListener(type: Array<PlayerEventType>, handler: EventHandler)
    open fun canDisplayType(mimeType: String, codecs: String = definedExternally, width: Number = definedExternally, height: Number = definedExternally, framerate: Number = definedExternally): Boolean
    open fun getApplicationData(): ApplicationData
    open fun getDeviceCapabilities(): Any
    open fun getPlayerManager(): PlayerManager
    open fun getSender(senderId: String): Sender
    open fun getSenders(): Array<Sender>
    open fun getStandbyState(): StandbyState
    open fun getSystemState(): SystemState
    open fun getVisibilityState(): Any
    open fun isSystemReady(): Boolean
    open fun loadPlayerLibraries(useLegacyDashSupport: Boolean = definedExternally)
    open fun removeCustomMessageListener(namespace: String, listener: EventHandler)
    open fun removeEventListener(type: PlayerEventType, handler: EventHandler)
    open fun sendCustomMessage(namespace: String, senderId: String?, message: Any)
    open fun sendFeedbackMessage(feedbackMessage: String)
    open fun setApplicationState(statusText: String)
    open fun setInactivityTimeout(maxInactivity: Number)
    open fun setLoggerLevel(level: Int)
    open fun start(options: CastReceiverOptions = definedExternally): CastReceiverContext
    open fun stop()
}