AppOpenPlacementListener

interface AppOpenPlacementListener {
    /**
     * Notifies that placement has finished loading an ad successfully.
     */
    fun onHaveAd(placement: Placement)
    
    /**
     * Notifies that placement has failed to load an ad.
     */
    fun onNoAd(placement: Placement)

    /**
     * Notifies that ad went fullscreen and that application should pause.
     */
    fun onPauseForAd(placement: Placement)

    /**
     * Notifies that ad came back from fullscreen and that application should resume.
     */
    fun onResumeAfterAd(placement: Placement)
}